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Replacing worn or failing brake calipers on an Infiniti FX35 matters because calipers directly affect stopping distance, brake pad wear, and pedal feel. A properly chosen caliper restores consistent braking performance and reduces the chance of uneven pad wear or overheating during normal driving.This guide highlights seven shortlisted options that meet common fitment and durability needs. We evaluated each pick for fit accuracy, corrosion protection, and piston seal quality, then summarized the factors that should influence your decision. Read on for practical guidance before you inspect parts under the car.
Looking for other parts? See all Infiniti FX35 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | KAX Disc Brake Caliper Assembly (Rear, 2pcs) for Infiniti QX56 / Nissan Armada / Titan |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Rear Driver and Passenger Brake Caliper Set (pair) |  |
| Best Quality Built to a higher standard if you want something more solid | TRQ Rear Ceramic Brake Pad, Rotor and Caliper Kit for Infiniti FX35 (2003–2008) |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium Disc Brake Caliper Assembly with Bracket — Front Right for Infiniti FX35/FX45 (2003–2005) |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Front Disc Brake Caliper Assembly with Bracket (2-piece set) |  |
| Best Value for Money The sweet spot between price and what you get | MAYASAF Rear Brake Caliper Set (Left + Right) for Infiniti G35/G37/M35/M45 and Nissan 350Z |  |
| Best Overall The best all-around choice for most situations | Detroit Axle Front Brake Calipers with Brackets, 2‑Piece Set |  |
1. KAX Disc Brake Caliper Assembly (Rear, 2pcs) for Infiniti QX56 / Nissan Armada / Titan
| Vehicle fitment | Infiniti QX56 2004-2010; Nissan Armada 2005-2015; Titan 2004-2015 (rear side) |
|---|---|
| Includes | 2 caliper assemblies with phenolic pistons and installation hardware |
| Reference numbers | 440117S000, 19-2948, 192948, 440017S000, 19-2949, 192949 |
| Pressure tested | Yes |
This KAX caliper assembly is sold as a two-piece rear-side replacement meant to restore proper braking on compatible vehicles. It arrives fully assembled with a phenolic piston and necessary installation hardware so a technician can swap it into the brake system without machining the carrier or rebuilding a core. The listing emphasizes pressure testing and factory-spec fitment, which helps when you need a direct replacement to stop dragging or leaking calipers. In practice the unit is used during a rear brake service to replace seized or worn calipers and reviewers report straightforward installation and correct fit for many late-model full-size Nissan/Infiniti platforms. Expect the practical benefit of getting a ready-to-install caliper that returns braking feel and allows reuse of existing mounting hardware. Limitations are that this is a direct replacement part rather than an upgraded performance caliper, and some installations may require patience with guide-pin or bolt fitment and reuse of original fasteners to complete the job correctly.
Best for: Reliability-focused buyers who prioritize restoring dependable, factory-quality braking with a ready-to-install replacement rather than performance upgrades.
Less Ideal for: Drivers seeking performance upgrades, custom calipers, or parts that change brake feel or appearance should look at aftermarket performance options instead.
- Comes as a complete, ready-to-install caliper assembly including phenolic piston and hardware
- Pressure tested and inspected to match factory-style fit and function
- Positive owner reports of correct fit and restored braking performance
- Includes installation hardware to simplify replacement procedure
- Not a performance upgrade—designed as a direct factory-quality replacement
- May require reuse or careful fitment of original bolts and guide pins during installation
Verdict A practical, pressure-tested rear caliper pair intended for reliable, factory-style replacement rather than performance enhancement.
2. TRQ Rear Driver and Passenger Brake Caliper Set (pair)
| Model | TRQ CLA32272 2 Piece Brake Caliper Set |
|---|---|
| Coating | Zinc Coated |
| Seals | EPDM Seals |
| Includes | Hardware and Abutment Kit Included |
| Core | 100% new components, no core charge |
This TRQ rear caliper set supplies both driver and passenger side units as a direct replacement for compatible vehicles and arrives ready to install with mounting hardware and abutment kit. Typical use is a like‑for‑like brake repair when a rear caliper is seized, leaking, or worn; the kit is zinc coated to resist rust and uses EPDM seals to better withstand heat and fluid exposure. Preassembled components and included hardware make installation quicker for DIYers, and the manufacturer provides step‑by‑step video resources to guide the process. The package contains all‑new components without a core charge, so you do not need to return old calipers. Some buyers report long service life and good stopping performance, but there are isolated reports of stiff pistons or sticking behavior that may require bench flushing or piston cleaning before installation. Expect a straightforward, budget‑minded repair option with the convenience of a full kit but be prepared to inspect and prep pistons during installation if you encounter binding.
Best for: Convenience‑focused owners who prioritize a quick, single‑package repair and prefer a ready‑to‑install replacement with video guidance and included hardware.
Less Ideal for: Drivers seeking a premium performance or calibrated aftermarket brake upgrade or those who want paired calipers that come prefilled and pre-bled should consider higher-end or professional options instead.
- Complete kit with both left and right rear calipers plus mounting hardware so you can finish the repair in one purchase
- Zinc coating and EPDM seals improve corrosion and thermal resistance for longer service life
- Preassembled, direct‑fit design reduces fitment guesswork and simplifies DIY installation
- Includes manufacturer video instructions to help less experienced installers
- Some users report pistons that feel stiff or calipers that require bench bleeding or cleaning before they operate freely
- No pad(s) included so rotor and pad condition must be addressed separately
Verdict A budget-friendly, convenience-oriented direct-replacement rear caliper pair that simplifies DIY repairs but may need minor piston prep for trouble-free operation.
3. TRQ Rear Ceramic Brake Pad, Rotor and Caliper Kit for Infiniti FX35 (2003–2008)
| Fitment | Infiniti FX35 2003-2008 Rear |
|---|---|
| Brake Pad Material | Ceramic |
| Rotor Type | Vented |
| Wheel Lug Count | 5 Lug |
| Rotor Diameter | 12.13 in. (308mm) |
This TRQ rear brake kit supplies everything needed to refresh the FX35's rear braking hardware: a ceramic pad set, two vented rotors, and two replacement calipers. It is designed as a vehicle-specific direct-fit solution for 2003–2008 Infiniti FX35 rear brakes, so installation typically mirrors a standard caliper/pad/rotor swap with no custom modification. Ceramic pads offer quieter operation and lighter dust compared with semi-metallic compounds, while the vented rotors help with heat dissipation during repeated stops. Including calipers removes the need to refurbish old units and simplifies the job for a DIYer or a shop. Expect practical benefits like restored pedal feel and consistent stopping power after a proper bleed and bedding process. Limitations are that the rotors appear uncoated and may show surface rust over time, and owners wanting heavy-duty or track-oriented friction may prefer a different pad material. Also bleeding new calipers requires the right tools or a helper to avoid a prolonged procedure.
Best for: Performance-oriented owners focused on restoring consistent, factory-quality rear braking performance on an Infiniti FX35 who value quieter operation and a full hardware refresh.
Less Ideal for: Drivers who need track-focused or heavy-duty braking materials that resist extreme fade should consider performance-specific pads and rotors instead.
- Complete rear kit includes pads, rotors, and calipers for a one-stop replacement.
- Vehicle-specific fitment for Infiniti FX35 (2003–2008) reduces modification and installation time.
- Ceramic brake pads produce less dust and typically quieter operation than many semi-metallic pads.
- Vented rotor design improves heat dissipation during repeated braking events.
- Rotors do not appear to have a corrosion-resistant coating and may begin to surface-rust.
- Ceramic pads prioritize low dust and quiet operation over the ultimate high-temperature fade resistance desired for track use.
Verdict A convenient, vehicle-specific rear brake kit that restores factory-quality braking for the Infiniti FX35 while prioritizing quiet operation and ease of installation.
4. A-Premium Disc Brake Caliper Assembly with Bracket — Front Right for Infiniti FX35/FX45 (2003–2005)
| Vehicle Fitment | Infiniti FX35/FX45 2003-2005 Front Right |
|---|---|
| Brake Piston Count | 1 Piston |
| Inlet Port Size | M10 x 1.0 |
| Bleeder Port Size | M10 x 1.0 |
| Piston Material | Steel |
This A-Premium caliper assembly replaces the front right (passenger side) brake caliper on 2003–2005 Infiniti FX35 and FX45 models. It arrives as a complete unit with bracket, metal/phenolic piston, bleeder and inlet ports sized for direct installation and the necessary hardware, so it is typically used during a brake job where the old caliper is worn or leaking. The single-piston steel design and included bracket simplify installation compared with buying parts separately, and the listing notes factory-replacement fitment references to help confirm compatibility. For budget-focused buyers the big advantages are the low cost and the one-year unlimited-mileage guarantee that provides basic coverage after installation. Expect a no-frills, functional replacement rather than upgraded performance; materials and piston design are standard rather than performance-oriented, and professional installation or careful bleeding of the system will be needed to ensure correct operation. This is a practical, wallet-friendly option when you need a reliable passenger-side caliper replacement for the specified FX model years.
Best for: Practical, budget-conscious owners looking for an inexpensive, direct-fit passenger-side caliper replacement for an Infiniti FX35/FX45 to restore safe braking without upgrading performance.
Less Ideal for: Drivers seeking high-performance braking upgrades or long-term high-mileage durability beyond a basic replacement should consider premium or upgraded calipers instead.
- Complete assembly with bracket and installation hardware reduces parts sourcing and simplifies installation
- Direct-fit compatibility listed specifically for Infiniti FX35/FX45 2003–2005 which helps avoid fitment surprises
- Includes metal/phenolic piston and bleeder/inlet ports sized for straightforward connection
- Backed by a one-year unlimited-mileage guarantee for basic post-installation protection
- Single-piston, standard design is aimed at replacement rather than improved braking performance
- Not marketed as a premium or performance caliper so materials and long-term durability may be basic
Verdict A budget-friendly, direct-fit passenger-side caliper for 2003–2005 Infiniti FX35/FX45 that gets the job done without performance upgrades.
5. A-Premium Front Disc Brake Caliper Assembly with Bracket (2-piece set)
| Brake Piston Count | 2 Pistons |
|---|---|
| Bleeder Port Size | M10 x 1.0 |
| Piston Outer Diameter | 1.77 inch |
| Includes | Bracket, installation hardware, steel piston |
This A-Premium caliper assembly replaces a front brake caliper and bracket and is intended to restore braking performance after a worn or damaged unit. It ships as a two-piece set with steel pistons, installation hardware, and an anti-rust coating to help resist corrosion. The unit uses twin pistons and an M10 x 1.0 bleeder port, which makes bleeding and pad seating straightforward for most independent shops or experienced DIYers. In practice this caliper is used when the original caliper is seized, leaking, or excessively worn; installers report straightforward fit and quick swap times when the vehicle fitment matches. The package includes a one-year unlimited-mileage guarantee from the brand. Limitations to consider are that this is a direct replacement caliper without pads included, so you will need compatible pads and possibly minor bench-bleeding during installation; fitment must be confirmed for the FX35 before ordering because the listing targets multiple Nissan and Infiniti applications rather than a single FX35 part number.
Best for: Risk-averse mainstream buyers who prioritize restoring factory braking function with a direct replacement and want a ready-to-install caliper assembly they can fit or have fitted by a trusted mechanic.
Less Ideal for: Drivers who want a performance upgrade, a complete pad-and-caliper kit, or long-term high-mileage coverage should consider other options tailored to those goals.
- Sold as a matched two-piece front caliper and bracket set for easier installation
- Steel pistons and factory-style hardware included for a straightforward swap
- Anti-rust coating helps prolong service life in corrosive environments
- Bleeder port uses common M10 x 1.0 thread for easy brake bleeding
- Does not include brake pads so additional parts are required
- Fitment is listed for multiple models so FX35 compatibility must be verified before purchase
- Manufacturer guarantee is time-limited to one year which may be short for high-mileage owners
Verdict A practical, factory-style front caliper assembly for buyers who want a risk-averse, direct replacement solution, provided you confirm FX35 fitment and plan to supply pads separately.
6. MAYASAF Rear Brake Caliper Set (Left + Right) for Infiniti G35/G37/M35/M45 and Nissan 350Z
| Manufacturer | MAYASAF Autoparts |
|---|---|
| Brand | MAYASAF |
| Manufacturer Part Number | MSF19B2792A+19B2793A |
| OEM Part Number | 19B2792A+19B2793A |
This MAYASAF rear caliper set is a direct replacement designed to bolt into the rear of compatible Infiniti and Nissan models without modification. It arrives as a left and right caliper pair with mounting hardware, pins, and bleeder screws included so installation is straightforward for a competent home mechanic or a shop. The listing advertises factory-quality construction rather than rebuilt parts, which buyers report fits well and installs easily; that makes it a sensible choice when refreshing rusty or worn rear calipers during a rotor service. Practical benefits include having both sides replaced together for balanced braking feel and avoiding additional labor to source individual calipers. Limitations are that these come without brake pads attached, so you must supply pads separately and verify fitment carefully for the FX35 application noted in the article goal, and long-term corrosion resistance and exact match to factory finish can vary with aftermarket calipers. Expect a cost-effective replacement that performs like a standard factory replacement but plan to pair it with fresh pads and proper brake bleeding after installation.
Best for: Practical optimizers looking to restore rear braking on their Infiniti FX35 with a budget-conscious, ready-to-install caliper set while avoiding fully rebuilt units.
Less Ideal for: Buyers seeking premium corrosion-resistant coatings or an all-in-one kit with preinstalled pads should consider higher-end or OEM-sourced options instead.
- Sold as a matched left and right rear caliper set for consistent braking performance
- Includes mounting hardware, pins, and bleeder screws for a near-complete install
- Marketed as new factory-quality replacements rather than rebuilt units
- Multiple customer reports of straightforward bolt-on fit and easy installation
- Calipers are supplied without brake pads, requiring a separate pad purchase
- Aftermarket finish and long-term corrosion protection may not match factory parts
Verdict A cost-effective matched rear caliper pair that fits like a factory replacement but requires separate pads and careful fitment confirmation for the FX35.
7. Detroit Axle Front Brake Calipers with Brackets, 2‑Piece Set
| Fitment note | Front calipers for specific Infiniti models (see fitment chart) |
|---|---|
| Piston size | 1.99 inch (51mm) |
| Piston material | Phenolic |
| Kit contents | 2x Front Brake Calipers with Brackets |
These Detroit Axle front calipers are a two-piece kit intended as a direct-fit replacement for the front left and right positions. They arrive with brackets included and use 51mm phenolic pistons in a two‑piston configuration, so installation is largely bolt-on when matched to a compatible vehicle. The zinc plating helps resist visible corrosion and the manufacturer says units are pressure-tested for leak-free performance. In real use the kit is best for someone rebuilding a front brake corner or replacing sticking calipers because it provides complete caliper assemblies rather than just cores. Buyers should expect to perform standard brake bleeding and pad/rotor replacement procedures during installation. While many owners report OEM-like fit and braking feel, this is an aftermarket replacement rather than a factory part, so minor fit differences or variations in bleeder hardware can occur and professional installation is recommended if you are not comfortable with brake systems.
Best for: Balanced owners who want a practical, full-replacement caliper kit that restores braking performance without overcomplicating the project and who prioritize reliable, value-focused repairs.
Less Ideal for: If you want exact factory remanufactured parts or are restoring a show vehicle where original provenance matters, choose a verified factory-quality caliper instead.
- Complete front caliper pair with brackets included for a single repair job
- Direct-fit design intended to simplify installation on listed applications
- Phenolic pistons reduce heat transfer into brake fluid compared with metal pistons
- Zinc plating provides visible corrosion resistance for longer appearance life
- Pressure-tested assemblies marketed for leak-free performance
- Aftermarket unit so minor differences in small hardware (for example bleeder screw size) versus factory parts have been reported
- Not a plug-and-play solution for every vehicle—confirm fitment carefully before ordering
Verdict A practical, value-oriented full front caliper kit that restores braking function for compatible Infiniti models while trading exact factory provenance for aftermarket convenience.
Choosing the Right Infiniti FX35 Brake Calipers: Key Factors to Consider
Fitment and Mounting Compatibility
Correct fitment is the single most important factor because calipers must align precisely with the vehicle's mounting points, brake pads, and rotor dimensions. A caliper that does not match factory mounting spacing or bleeder screw placement can cause installation problems and unsafe brake function.
When assessing fit, verify bolt pattern, piston orientation, and brake line connection type. Fit issues increase labor time and may require additional brackets or adapters that compromise reliability.
Piston and Seal Construction
The piston and seal assembly controls hydraulic pressure and prevents fluid leakage. High-quality pistons resist corrosion and keep smooth movement to prevent dragging or sticking. Seals should resist swelling from brake fluid and maintain a tight seal under repeated heat cycles.
Durable piston materials and robust seal designs reduce the likelihood of leaks, uneven pad wear, and loss of braking force. Consider whether replacement seals or a rebuild kit are available to extend service life.
Corrosion Resistance and Coating
Calipers operate in a harsh environment where corrosion can seize sliding surfaces and mounting hardware. Protective coatings, plating, or corrosion-resistant alloys prolong service life and reduce the chance of seized guide pins and frozen pistons.
Look for calipers with proper finish treatments and replaceable hardware where possible. Good corrosion resistance lowers maintenance needs and helps maintain consistent braking performance over time.
Serviceability and Parts Availability
Serviceability covers how easy it is to perform routine repairs such as replacing seals, guide pins, or bleeder screws. Availability of rebuild kits and replacement hardware affects long-term ownership costs and convenience.
Choosing calipers that accept common rebuild kits or have readily available parts helps you address symptoms early and avoid full caliper replacement when only a minor component has failed.
Performance Under Heat and Load
Braking generates heat that can affect caliper components and hydraulic fluid. Calipers should maintain structural integrity and piston movement under repeated high-temperature conditions to prevent fade and inconsistent braking.
Consider designs with effective heat dissipation and seals rated for elevated temperatures. Reliability during towing, spirited driving, or steep descents matters for maintaining safe stopping distances.
Mounting Hardware and Guide Pin Design
Quality guide pins and proper mounting hardware ensure even pad wear and free movement of the caliper. Poorly designed guide systems can cause one pad to drag while the other retracts, which reduces braking efficiency and accelerates pad wear.
Inspect whether guide pins are replaceable, use corrosion-resistant coatings, and include appropriate bushings or boots. Solid mounting hardware prevents uneven torque and helps maintain alignment during repeated brake applications.
FAQ
What are common symptoms that a brake caliper is failing on an Infiniti FX35?
Common signs include uneven brake pad wear, a pulling sensation to one side under braking, a soft or spongy pedal, and visible fluid leaks near the caliper. You may also notice reduced fuel economy from a dragging caliper or unusual noises during braking.
Can I use a remanufactured caliper instead of a new one on an Infiniti FX35?
Remanufactured calipers can be a practical option if they are restored to proper specifications and include new seals and hardware. Choose remanufactured units that document the rebuilding process and have corrosion protection to ensure durable performance.
How important is it to get front and rear brake calipers matched by condition?
It is usually best to ensure both calipers on the same axle are in similar condition to maintain balanced braking. Mismatched responsiveness or worn components can lead to uneven brake force and handling changes during stops.
Are brake caliper rebuild kits useful for addressing caliper sticking symptoms?
Rebuild kits that include new seals, dust boots, and guide pin hardware can often resolve sticking pistons or minor leaks. Rebuilding is a reasonable intermediate step when the caliper body is undamaged and mounting hardware is in good condition.
How do I know if a caliper is the correct fit for an Infiniti FX35?
Confirm correct fit by matching the caliper's mounting bolt pattern, piston count and orientation, brake line fitting type, and compatibility notes for the Infiniti FX35. Installation documentation or fitment references should explicitly list the vehicle model.
What maintenance helps extend the life of brake calipers?
Regular inspection of guide pins, boots, and seals prevents many common failures. Clean and lubricate guide pins with the proper high-temperature grease, replace corroded hardware, and address fluid leaks quickly to avoid contamination and piston corrosion.
How We Chose the Best Infiniti FX35 Brake Calipers
We prioritized parts that deliver reliable, vehicle-specific fitment for the Infiniti FX35 and that address the common failure modes for this model. Key criteria included fitment accuracy to factory mounting points and brake line connections, piston and seal quality to maintain hydraulic integrity, corrosion resistance of the caliper body and mounting hardware, and serviceability for routine brake maintenance. We also assessed options for remanufactured components and availability of rebuild kits to support long-term upkeep.Excluded from our shortlist were universal or non-vehicle-specific calipers, parts without clear fit documentation, and options lacking proper seal or piston replacement support. Our process focused on durability, hydraulic performance, and ease of installation to reflect what most owners and technicians prioritize when replacing Infiniti FX35 brake calipers.
Our full evaluation process is outlined in our review methodology.
Conclusion
When replacing brake calipers on an Infiniti FX35, prioritize correct fitment, piston and seal quality, and corrosion resistance. These factors most directly affect braking performance, pad wear, and long-term reliability.Balance serviceability and parts availability against durability. For many owners, the best choice is a caliper that fits precisely, offers robust sealing and corrosion protection, and allows for future rebuilding or part replacement to reduce total ownership effort.
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- Check out all Infiniti FX35 parts & accessories
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