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When your Jeep Wrangler needs new rear brake calipers, choosing the right replacement affects safety, pedal feel, and long-term reliability. The wrong caliper can cause uneven pad wear, fluid leaks, or poor handbrake operation, so you want parts that match factory geometry and seal properly.This guide covers our shortlisted top rear brake calipers for the Wrangler, focusing on correct fitment, seal and piston quality, and corrosion resistance. We evaluate candidates for their installation practicality and expected service life so you can pick the best option for routine maintenance or a brake system refresh.
Looking for other parts? See all Jeep Wrangler parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Detroit Axle Rear 2‑Piece Brake Caliper Kit with Brackets |  |
| Best Quality Built to a higher standard if you want something more solid | PowerStop Z36 Rear Brake & Caliper Kit with Drilled & Slotted Rotors |  |
| Best Value The sweet spot between price and what you get | SCITOO Rear Left & Right Brake Calipers with Bracket (834924) |  |
| Best Budget The cheapest option that still gets the job done reliably | ECCPP Rear Disc Brake Caliper Assembly with Bracket (161828) |  |
| Highest Rated A top-rated pick with lots of positive feedback | KAX Disc Brake Caliper Assembly (Rear, Pair) for Jeep Wrangler 2007–2018 |  |
| Most Popular A crowd favorite that many people choose with confidence | Detroit Axle Rear Brake Kit with Drilled & Slotted Rotors, Ceramic Pads, and Calipers |  |
| Best Seller A high-volume bestseller chosen again and again | PHILTOP Rear Disc Brake Caliper Assembly (pair) |  |
1. Detroit Axle Rear 2‑Piece Brake Caliper Kit with Brackets
| Fitment scope | Rear calipers for select Dodge Nitro, Jeep Liberty, Jeep Wrangler (see fitment) |
|---|---|
| Piston size | 1.89 in (48.1 mm) |
| Piston material | Phenolic |
| Bracket included | Yes |
| Image | https://m.media-amazon.com/images/I/71Tvb6g8qrL._AC_SL1500_.jpg |
This Detroit Axle kit supplies both left and right rear disc brake calipers with mounting brackets so you can replace a failing pair in one job. The calipers use a single 1.89 in phenolic piston, arrive zinc plated to resist corrosion, and include brackets and hardware to simplify installation. For typical use on Wrangler rear axles they install like a factory replacement and restore firm, leak-free stopping when paired with fresh pads and properly bled lines. Phenolic pistons reduce heat transfer into the brake fluid which helps reduce fade in everyday and light trail driving. The kit is advertised as direct-fit and many owners report straightforward bolt-on installation, though a correct bleed and attention to caliper side orientation are required. A few users noted minor issues with bracket fitment on non-listed vehicles and inconsistent bleeder screw sizes between sides, so check fit and tools before starting. Overall this kit balances quality, serviceability, and value for Wrangler owners needing a reliable rear caliper replacement.
Best for: Jeep owners who want a ready-made rear caliper pair that installs like a factory replacement and restores solid stopping performance with minimal fuss.
Less Ideal for: Drivers looking for a full rear brake overhaul in one purchase should consider a complete kit that includes pads and rotors instead of calipers-only; very high-performance or competition use also calls for specialized components.
- Includes both left and right calipers plus mounting brackets and hardware for a single replacement job
- Phenolic piston and zinc plating help resist corrosion and reduce heat transfer to brake fluid
- Designed as a direct-fit factory-quality replacement to simplify installation and serviceability
- Built and pressure-tested for leak-free performance
- Does not include brake pads or rotors so those must be purchased separately for a full rear brake service
- Bracket fitment has varied for some non-specified vehicles, requiring reuse of original brackets in rare cases
Verdict: A practical, factory-style replacement pair that gets a Wrangler’s rear brakes back to reliable, leak-free performance without unnecessary complexity.
2. PowerStop Z36 Rear Brake & Caliper Kit with Drilled & Slotted Rotors
| Fitment | Rear: 2007-17 Jeep Wrangler; 2018 Jeep Wrangler JK |
|---|---|
| Pad compound | Z36 Carbon-Fiber Ceramic |
| Rotor type | Drilled & Slotted, silver zinc plated |
| Includes | Pads, rotors, calipers, stainless-steel hardware |
This PowerStop Z36 rear kit replaces the factory rear braking components with drilled and slotted rotors, Z36 carbon-fiber ceramic pads, and remanufactured red powder-coated calipers to deliver stronger, cooler braking for Jeep Wranglers. Intended as a bolt-on upgrade, the kit is used where towing, hauling, mountain driving, or larger wheels increase thermal and stopping demands. The drilled and slotted rotors vent heat and help clear debris while a silver zinc plating improves corrosion resistance. Z36 pads are a low-dust ceramic formula reinforced with carbon fiber for higher initial bite and quieter operation compared with many stock replacements. Powder-coated calipers add corrosion resistance and a performance look; each caliper is pressure tested and comes with installation hardware for a straightforward swap. Notable limitations are mixed long-term user reports about hardware longevity and pad durability in some cases, so plan for proper torque checks and inspect fasteners after break-in. For buyers wanting clear visual impact plus a measurable performance uplift at the rear, this kit delivers a strong, bolt-on option.
Best for: Buyers focused on improved rear braking performance for towing, off-road or heavy-duty driving who want a plug-and-play kit that combines stronger stopping, better heat management, and a sporty look.
Less Ideal for: Drivers who prioritize a strictly stock replacement, minimal maintenance, or longest-possible service intervals without periodic hardware checks should consider simpler factory-style replacements instead.
- All-in-one rear upgrade: rotors, pads, calipers, and hardware for direct bolt-on installation.
- Drilled and slotted rotors improve cooling and help maintain braking consistency under heavy use.
- Z36 carbon-fiber ceramic pads offer increased initial bite with low dust and reduced noise.
- Red powder-coated calipers resist corrosion and add a performance aesthetic.
- Some user reports cite caliper fastener loss and premature pad issues over long-term use, suggesting the need for periodic inspection.
Verdict: A bolt-on rear brake upgrade that combines ceramic carbon-fiber pads, drilled and slotted rotors, and powder-coated calipers to deliver cooler, stronger stopping for performance-minded Jeep Wrangler drivers.
3. SCITOO Rear Left & Right Brake Calipers with Bracket (834924)
| Manufacturer Part Number | 834924-5336-1651326182 |
|---|---|
| OEM Part Number | 18B5046 18B5047 |
| Position | Rear |
| Piston Size | 48.01 mm (1.89") |
| Bleeder/Inlet Port Size | M10 x 1.0 |
These SCITOO rear calipers arrive as a pair with brackets and phenolic pistons to replace worn or damaged factory rear units. They are built to match OEM fitment for the listed part numbers and are intended for direct installation without modification, so mechanics or competent DIYers can swap them in using standard tools. The calipers are coated to resist corrosion and the product page highlights improved stopping power and reduced noise compared with worn originals. Practical features include an M10 bleeder and inlet port sizing that matches common factory fittings and a single 1.89-inch piston per caliper for predictable braking response. Buyers should be aware that quality control appears mixed in some reviews, so inspect components and test the parking brake mechanism before finishing installation. These calipers are best used when restoring braking performance on the specified rear axle vehicles and when you plan to reuse or replace pads and hardware as needed.
Best for: A practical buyer wanting a direct-fit rear caliper replacement to restore braking performance on compatible Dodge and Jeep rear applications and who values an affordable, ready-to-install pair.
Less Ideal for: Not ideal for buyers seeking performance or specialty calipers for racing or heavy towing applications or those unwilling to verify parts and test the parking brake after installation.
- Sold as a matched rear pair with mounting brackets for straightforward replacement
- Coated finish for improved corrosion resistance
- Made to OEM specifications for direct-fit installation on listed part numbers
- Phenolic pistons and single-piston design provide consistent, factory-style braking response
- Some customer reports of fitment or functional issues suggest variable quality control
Verdict: A cost-effective, direct-fit paired rear caliper kit for restoring factory-style braking on the specified Jeep and Dodge rear applications.
4. ECCPP Rear Disc Brake Caliper Assembly with Bracket (161828)
| Position | Rear Left/Right |
|---|---|
| Bleeder Port Size | M10 x 1.0 |
| Inlet Port Size | M10 x 1.0 |
| Piston Size | 1.89 inch / 48.01 mm |
| Piston Count | 1 |
This ECCPP rear caliper assembly is a budget-focused replacement for failing rear units on compatible Jeep Wrangler, Jeep Liberty, and Dodge Nitro models. It ships as a complete caliper with bracket and uses a single phenolic piston for conventional hydraulic braking; M10 x 1.0 bleeder and inlet ports match common fittings. In practice it installs like a factory-style replacement and delivers steady stopping power for everyday driving. Several buyers report correct fit and reliable function after installation, while a minority found bleeder orientation or labeling issues that required exchange or adjustment during bleed procedures. The caliper is described as midrange quality and not cosmetically refined, so expect functional performance rather than show-car finish. This is a sensible repair part when you need to restore rear braking without paying OEM prices, but check bleeder position and part orientation before final installation and be prepared to bench-bleed or swap hardware if necessary.
Best for: Drivers looking to repair rear brakes on compatible Jeeps or Dodge Nitro without paying OEM prices and who prioritize functional, economical replacements over cosmetic perfection.
Less Ideal for: Customers seeking showroom-quality finish or exact-fit plug-and-play certainty for modified vehicles should consider higher-end or verified-fit options instead.
- Complete caliper with bracket supplied for straightforward replacement
- Designed to match factory-style fittings with M10 x 1.0 bleeder and inlet ports
- Phenolic piston and single-piston design provide consistent daily braking performance
- Generally good value compared with factory-priced replacements
- Some units have arrived mislabeled or with incorrect bleeder hole orientation requiring exchange or rework
- Finish and appearance are utilitarian rather than refined
Verdict: A cost-conscious, factory-style rear caliper replacement that restores reliable daily braking on the specified Jeep and Dodge applications.
5. KAX Disc Brake Caliper Assembly (Rear, Pair) for Jeep Wrangler 2007–2018
| Position | Rear |
|---|---|
| Piston count | 1 phenolic piston |
| Bleeder port size | M10x1.0 |
| Brake inlet port size | M10x1.0 |
These KAX rear caliper assemblies are built as direct replacement rear calipers for Jeep Wrangler applications and similar models. They arrive as a machined, zinc-coated pair with a single phenolic piston and standard M10x1.0 bleeder and inlet ports, so installation follows the factory procedure: unbolt the old caliper, transfer pads and hardware if needed, bolt the new unit in place, and bleed the lines. The calipers use CNC machining and high-strength mounting bolts intended to keep the piston sliding smoothly and resist bolt failure under heavy braking. Practical benefits include solid fitment reports, corrosion resistance from the zinc finish, and a clean piston action that reduces the risk of dragging. Limitations are that these units come without brake pads or brackets, so you may need to reuse or separately purchase slide pins, pads, and any frozen bracket hardware; long-term durability beyond initial customer miles is still emerging. Overall they deliver a factory-style replacement experience for owners who want reliable braking without paying for an OEM part.
Best for: Buyers who prioritize a dependable, factory-style replacement over lowest-cost parts and plan to keep their Jeep on the road long term; good for DIY mechanics and independent shops focused on restoring reliable braking performance.
Less Ideal for: Not the best choice for someone wanting a full drop-in solution including pads and brackets or for performance upgrades that require multi-piston or upgraded materials.
- Made to bolt in as a factory-style rear caliper for listed Jeep Wrangler years
- CNC machined piston bore for smooth piston movement and reduced sticking
- Zinc-coated finish helps resist corrosion and keeps appearance clean
- High-strength mounting bolts intended to resist breakage under hard braking
- Ships without brake pads or mounting brackets so additional parts may be required
Verdict: A solid, factory-style rear caliper pair that gives Jeep owners a reliable replacement with corrosion protection and smooth piston action without the OEM price.
6. Detroit Axle Rear Brake Kit with Drilled & Slotted Rotors, Ceramic Pads, and Calipers
| Fitment | 2007–2017 Jeep Wrangler; 2018 Wrangler JK (12.44 in rear rotor) |
|---|---|
| Rotor Type | Drilled & slotted 12.44 inch |
| Brake Pads | Ceramic (hardware included) |
| Caliper Piston | 1.89 inch phenolic |
This Detroit Axle rear brake kit replaces the rotor, pads, and both rear calipers in one package for Jeep Wranglers that use 12.44 inch rear rotors. It bundles two drilled and slotted rotors, ceramic rear pads with hardware, and both driver and passenger rear disc brake calipers built with phenolic pistons and zinc plating. In practice the kit simplifies a full rear brake refresh for DIYers and shops by providing matching components and the mounting brackets needed for direct-fit installation. Drilled and slotted rotors help dissipate heat and maintain stopping power under heavier use while ceramic pads reduce dust and tend to be quieter once bedded in. Some users note an initial period of clunkiness and noise during bedding that settles after a few weeks, and the kit includes DOT 3 fluid which may not match every vehicle's requirement. Overall this is a convenient, factory-quality replacement option that emphasizes fitment and ready-to-install completeness for Wrangler rear brakes.
Best for: Buyers who want a single, matched rear brake assembly that reduces compatibility guesswork and saves installation time, and who prioritize documented fitment and many user reviews for assurance.
Less Ideal for: Drivers who need a front-and-rear performance upgrade in one purchase or shops that prefer sourcing individual OEM part numbers for full system matching.
- Complete kit includes both rear rotors, pads, and left/right calipers for a single-stop replacement
- Drilled and slotted rotors improve cooling and maintain stopping power under load
- Ceramic pads produce less brake dust and generally quieter braking after bedding
- Calipers use phenolic pistons and zinc plating to resist corrosion and offer leak-tested performance
- Included brake fluid is DOT 3 which may not be correct for all vehicle setups and could require you to supply DOT 4
Verdict: A handy, direct-fit rear brake kit that delivers matched rotors, pads, and calipers to simplify a Wrangler rear brake replacement with good cooling and low-dust ceramic pads.
7. PHILTOP Rear Disc Brake Caliper Assembly (pair)
| Brand | PHILTOP |
|---|---|
| Model | Disc Brake Calipers |
| Position | Rear |
| Manufacturer Part Number | 1531DBC076VUS |
| OEM Part Number | 68003705AA, 18B5047, 18B5046, 68003775AA, 68003774AA, 68003778AA, 68003776AA |
These PHILTOP rear disc brake calipers are built as direct replacement rear calipers for the specified Jeep Wrangler and related models. They arrive as complete caliper assemblies intended to swap into the original mounting points, so installation is typical for a rear caliper replacement: remove the old unit, transfer or replace mounting hardware and hoses, mount the new caliper, and bleed the system. Notable features include machined exterior finish, included hardware in many kits, and claimed high-temperature braking performance for consistent stopping under load. Practical benefits are straightforward fitment for the listed vehicles, restored parking brake function when applicable, and generally positive user reports of reliable performance and easy DIY installation. Limitations to consider are occasional missing or nonstandard small hardware pieces like crush washers or bolts in some shipments and mixed long-term durability reports, so expect to check supplied parts and plan for correct-sized washers or bolts if needed.
Best for: Buyers who prioritize a low-risk, factory-style replacement that restores rear braking and parking brake function on supported Jeep Wrangler models and prefer a part that is simple to install or verify at a local shop.
Less Ideal for: People seeking heavy-duty performance upgrades, long-term performance guarantees, or a caliper set with consistent premium hardware inclusion should consider higher-end or warranted alternatives.
- Direct-fit rear caliper assemblies built to match original mounting position for listed Jeep models
- Machined exterior and included hardware simplify appearance and installation
- Designed for high-temperature braking to maintain performance under heavy use
- Common DIY-friendly design with many buyers reporting straightforward installation
- Some packages may omit or include nonstandard small hardware such as crush washers or shorter banjo bolts requiring replacement
Verdict: A straightforward, factory‑position rear caliper replacement that makes a sensible, lower-risk repair option for Jeep Wrangler owners who want reliable stopping and easy DIY or shop installation.
Choosing the Right Jeep Wrangler Rear Brake Calipers: Key Factors to Consider
Fitment and Mounting Geometry
Correct fitment is the single most important factor when replacing rear calipers on a Jeep Wrangler. The caliper must align with the rotor height and pad backing plate, and mounting bolt locations must match the axle bracket to avoid altered braking leverage. Incorrect geometry can cause uneven pad contact and rapid wear.
Beyond bolt pattern, check whether the caliper integrates the parking brake mechanism used on your Wrangler. Many rear calipers include an internal parking brake actuator or require a specific bracket. Ensuring matching geometry reduces installation time and prevents compromised handbrake function.
Piston Material and Seal Design
Piston material affects corrosion resistance and heat transfer. Steel pistons are common and durable, while phenolic or composite pistons resist heat soak and corrosion differently. Equally important are the seals and dust boots: high-quality nitrile or EPDM seals resist brake fluid and heat, while well-formed dust boots keep contaminants out of the piston bore.
A poor seal profile can lead to leaks or collapse under heavy use, so prioritize calipers with robust seal systems. Consider whether replacement seals are readily available or if the caliper arrives pre-sealed to reduce installation steps.
Parking Brake Integration
Rear calipers on the Wrangler often incorporate a mechanical or internal parking brake mechanism. If your vehicle uses a cable-actuated parking brake, the caliper design must accept that cable or the internal screw-type actuator used in some configurations.
Selecting a caliper with compatible parking brake hardware avoids post-installation adjustments and ensures the vehicle remains secure when parked on slopes. Mis-matched parking brake integration can cause constant drag or ineffective parking brake performance.
Corrosion Resistance and Coatings
Jeep Wranglers are frequently exposed to wet, salty, and off-road conditions that accelerate corrosion. Calipers with durable coatings such as e-coat, zinc plating, or high-temperature paint resist rust on the piston bores, mounting ears, and bleeder valves. Corrosion can seize guide pins and bleeders, making future maintenance difficult.
Consider calipers with stainless hardware or replaceable pins and boots to simplify long-term upkeep. A caliper that resists corrosion preserves braking accuracy and reduces the chance of a stuck piston or a frozen parking brake actuator.
Serviceability and Rebuild Options
Deciding between a remanufactured caliper, a new replacement, or rebuilding your original affects upfront effort and future serviceability. Remanufactured calipers often come with new seals and hardware, reducing install work, while rebuilding requires a brake caliper rebuild kit and some bench time.
If you prefer to rebuild, check the availability of rebuild kits and the complexity of the internal components. For owners who want minimal downtime, pre-assembled units with included bleed screws and mounting hardware can be advantageous.
Hydraulic Compatibility and Bleedability
Hydraulic compatibility means the caliper must work with the vehicle's master cylinder output and brake fluid type. Piston diameter and caliper bore affect pedal feel and braking force distribution. Calipers that differ significantly from factory bore size can change pedal travel or require proportioning changes.
Easy access to bleeder valves and a clear bleeder path simplifies bleeding air from the system during installation. Units with well-placed bleeders and standard threads reduce bleeding time and help ensure consistent braking performance after replacement.
When To Replace Rear Calipers On A Jeep Wrangler
Several symptoms indicate it is time to replace rear calipers on a Jeep Wrangler. Look for visible fluid leaks around the piston area, a soft or sinking brake pedal that does not firm up after bleeding, uneven pad wear specifically at the rear wheels, or a persistent dragging sensation when driving that improves after a drive but returns after cooling.
- Fluid weeping at the caliper boots or pistons
- Unusual brake pedal feel or increased travel
- Uneven rear pad wear or glazing
- Handbrake that fails to hold or requires excessive travel
Remanufactured Versus New Rear Calipers
Remanufactured calipers are rebuilt to specified tolerances and often include new seals, boots, and hardware. They can be a cost-effective way to restore function and are typically inspected for bore condition and piston fit. New calipers remove concerns about hidden damage but may come with different surface coatings and hardware choices.
- Remanufactured calipers often include new internal seals and bleeder screws
- New units usually arrive pre-painted or coated to resist corrosion
- Consider availability of a brake caliper rebuild kit if you plan to recondition originals
Tools And Prep For A Smooth Installation
A successful caliper swap requires basic shop tools plus some brake-specific items. Prepare a torque wrench, flare wrench for brake lines, a piston retraction tool or suitable C-clamp, and fresh brake fluid. Clean work surfaces and a parts tray for guide pins and hardware prevent lost pieces during the job.
- Torque wrench and socket set
- Line wrenches for the brake hose banjo or union
- Piston compression tool or C-clamp
- Brake fluid and a clean container for captured fluid
- Bleeding equipment or a one-person vacuum/pressure bleeder
Common Brake Caliper Symptoms And Diagnostics
Diagnosing caliper problems starts with a road test and a visual inspection. Caliper sticking symptoms often show as one wheel running hotter than the others, a pulling sensation under braking, or accelerated pad wear on one side. Leaks are visible as wetness on the caliper or nearby suspension components. If a caliper is seized, the wheel may show scoring on the rotor surface or the vehicle may pull to one side under braking.
- Hot hub or rotor after a short drive indicates dragging
- Visible brake fluid near the caliper suggests seal failure
- Noise during braking can indicate misaligned pads or stuck pistons
Maintaining Rear Calipers To Extend Service Life
Regular maintenance helps prevent premature caliper failure. Periodically inspect dust boots and guide pins for damage, clean and lubricate guide pins with high-temperature brake grease, and check bleeder valve condition. Replace corroded hardware promptly to prevent seized components and make future servicing easier.
- Inspect dust boots for tears and replace if compromised
- Clean and regrease guide pins during pad changes
- Bleed the brakes after any caliper work and monitor pedal firmness
Still looking for the perfect fit?
Select your Jeep Wrangler configuration to see the most relevant Brake Calipers recommendations
How We Chose the Best Jeep Wrangler Rear Brake Calipers
We prioritized rear calipers that deliver correct fitment and reliable braking performance for the Jeep Wrangler. Selection began with parts that match factory mounting points, piston bore sizes, and parking brake integration to avoid fitment surprises during installation. We evaluated construction quality including castness, piston material, and dust boot design because these determine seal longevity and resistance to corrosion and road debris.Brake fluid compatibility and bleedability were considered to ensure straightforward installation and consistent hydraulic performance. We also assessed whether units come pre-assembled with new seals and bleeder valves to reduce rebuild time. Ease of installation was a factor, with attention to bracket and guide pin design that affects torque specs and serviceability.Excluded items include universal or non-vehicle-specific calipers that require machine work or bracket modifications and components lacking clear dimensional data. Final choices favored options likely to hold up in wet and off-road environments typical for Jeep use, while balancing rebuildability versus full replacement tradeoffs.
Our full evaluation process is outlined in our review methodology.
FAQ
How long do rear brake calipers typically last on a Jeep Wrangler?
Caliper life depends on exposure and use. In normal conditions they often last many years, but off-road, wet, or salty environments can shorten service life. Regular inspections catch early wear before failure.
Can I rebuild a seized rear caliper on my Wrangler?
Often a seized caliper can be rebuilt using a brake caliper rebuild kit if the bore and piston are in serviceable condition. Severe corrosion or pitting usually warrants a full replacement instead.
What causes a rear caliper to stick after installation?
A sticking caliper after installation is usually due to contaminated guide pins, improper piston retraction, mis-routed brake hose, or insufficient lubrication on sliding surfaces. Ensuring correct assembly and clean parts reduces the risk.
Do rear calipers require special brake fluid?
Rear calipers use the vehicle-specified DOT brake fluid. Use the fluid grade recommended for the Jeep Wrangler and replace fluid according to maintenance intervals to avoid seal deterioration.
Will changing rear calipers affect brake balance?
Replacing rear calipers with ones that match factory bore size and mounting geometry should not change brake balance. Significant deviations in piston diameter or improperly bled systems can alter pedal feel and balance.
How can I identify brake caliper symptoms versus rotor or pad issues?
Caliper-specific symptoms include one wheel running consistently hotter, visible fluid leaks at the caliper, or dragging that persists even after pad replacement. Rotor or pad wear tends to be symmetric unless a caliper is malfunctioning.
Final Verdict
For Jeep Wrangler owners, prioritize rear calipers that match factory geometry, provide durable seals, and integrate the parking brake correctly. Balance corrosion resistance and serviceability when choosing between remanufactured units or new replacements.Focus on correct fitment and easy bleed access to restore predictable pedal feel and braking balance. With those priorities in mind, you can select a rear caliper solution that meets your driving and maintenance preferences with confidence.
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