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If you drive a Ram 1500 with the 5.7L HEMI, the oil pump is one of the most critical engine components for longevity and performance. Low or inconsistent oil pressure accelerates wear on bearings, camshafts, and lifters, and can turn a routine repair into a major engine job. Choosing the right oil pump ensures proper flow, consistent pressure, and a reliable seal against leaks.This guide presents the top shortlisted oil pumps for the Ram 1500 5.7L HEMI, explaining the evaluation criteria used and the practical tradeoffs of fitment, durability, and installation. Read on for what matters when selecting a pump for long-term engine protection and dependable pressure control.
Looking for other parts? See all Ram 1500 parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | VIPCAR M452 Standard Oil Pump for Chrysler HEMI 5.7L V8 (M452) |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium High Pressure Oil Pump for 5.7L and 6.4L HEMI Engines |  |
| Best Value The sweet spot between price and what you get | A-Premium Engine Oil Pump for 5.7L V8 HEMI |  |
| Best Budget The cheapest option that still gets the job done reliably | Likala Engine Oil Pump Kit M342 for 5.7L V8 HEMI |  |
| Highest Rated A top-rated pick with lots of positive feedback | NSKE Engine Oil Pump Replacement for 5.7L HEMI |  |
| Most Popular A crowd favorite that many people choose with confidence | AULINK 10452 High-Pressure Replacement Oil Pump (5.7L/6.4L) |  |
VIPCAR M452 Standard Oil Pump for Chrysler HEMI 5.7L V8 (M452)
| Manufacturer Part Number | 03025 |
|---|---|
| OEM Part Number | 53021622, 53021622BH |
| Vehicle Fitment | Chrysler/Dodge/Jeep/Ram 5.7L V8 2009-2022 (listed models) |
| Tested For | Pressure/Flow/High-Low Temperature/Salt Spray |
This VIPCAR M452 oil pump is a direct-fit replacement designed to restore oil pressure and flow for Chrysler 5.7L HEMI engines. It installs in place of the factory pump and is typically used during engine rebuilds or when low oil pressure or pump wear is diagnosed. The unit uses gear and gerotor technology machined to close tolerances and the manufacturer reports factory-style testing for pressure, flow, and durability. Practical benefits include straightforward bolt-in fitment for listed models, predictable pressure across the RPM range, and the recommendation to prime and align the pump during installation to avoid damage. Limitations are the need to confirm exact fitment before ordering because multiple pump variations exist for HEMI engines, and performance depends on correct installation and replacing seals and filter at the same time. This is a sensible replacement option for owners who want a value-oriented, factory-quality pump that aims to match original pressure characteristics without moving to high-volume performance variants.
Best for: Buyers who want a reliable, factory-style replacement pump for routine engine repair or rebuilds on 5.7L HEMI-equipped vehicles and prioritize correct fitment and factory pressure behavior.
Less Ideal for: People seeking higher-flow or performance oil pumps for modified engines should consider high-volume performance units instead.
- Direct-fit replacement designed for Chrysler/Dodge/Jeep/Ram 5.7L HEMI applications
- Gears and gerotor machined to close tolerances for consistent oil pressure and flow
- Manufacturer reports factory-style pressure and durability testing
- Compatible with listed OEM interchange numbers (M452, 53021622) for easier parts matching
- Multiple pump variations exist for HEMI engines so buyers must verify exact application before purchase
Verdict: A practical, factory-style replacement oil pump for 5.7L HEMI owners who need dependable, OEM-like pressure and direct-fit compatibility.
A-Premium High Pressure Oil Pump for 5.7L and 6.4L HEMI Engines
| Manufacturer Part Number | APOIP211 |
|---|---|
| OEM Part Number | 10452 |
| Brand | A-Premium |
| Compatible Engines | 5.7L and 6.4L V8 HEMI |
This high pressure oil pump is built as a direct-fit replacement for 5.7L and 6.4L HEMI applications and is aimed at drivers who want stronger oil flow at higher RPMs. It uses a cast aluminum housing with an anodized hardcoat finish and claims a factory-style fit so it installs like a stock unit; buyers report improved oil pressure after installation on rebuilt and stock engines. Typical use is as an upgrade for higher-performance engines or to restore pressure after pump failure. The practical benefits are increased lubrication at high rpm, straightforward bolt-on installation, and compatibility across many Ram, Dodge, Jeep and Chrysler V8 years. Important limitations: some users reported zero or inconsistent pressure on initial start unless primed and one severe complaint of failure under deceleration that led to engine damage, so careful priming and verification of pressure after install are advised. A one-year unlimited-mileage guarantee is included but does not eliminate the need to confirm pump behavior on your engine.
Best for: Enthusiasts fitting or upgrading a Ram 1500 5.7L HEMI who prioritize higher oil pressure at high RPM and want a straightforward bolt-on replacement they can install themselves.
Less Ideal for: Drivers seeking a guaranteed drop-in performance match for heavily modified engines without additional validation should consider premium OEM or approved performance-brand pumps instead.
- Direct-fit design for 5.7L and 6.4L HEMI engines for easier installation
- Higher pressure/volume design to improve lubrication at high RPMs
- Aluminum housing with anodized hardcoat for corrosion resistance and durability
- Works as a cost-effective alternative to factory replacement pumps
- Some reports of no oil pressure at startup unless the pump is primed properly
- A few users reported catastrophic failure under certain conditions, indicating variable quality control
Verdict: If you want a budget-friendly, direct-fit pump to raise oil pressure on a Ram 1500 5.7L HEMI for better high-rpm lubrication, this A-Premium unit is a practical upgrade.
A-Premium Engine Oil Pump for 5.7L V8 HEMI
| Manufacturer | PremiumpartsWhosale |
|---|---|
| Brand | A-Premium |
| Lift Type | Mechanical |
| OEM Part Number | M452, 53021622, 53021622BB, 53021622BE, 53021622BF, 53021622BG, 53021622BH |
This A-Premium oil pump is a direct-replacement style unit made for the 5.7L V8 HEMI; it installs in place of the factory pump to restore engine oil pressure and lubrication. Constructed from aluminum, the pump is described as corrosion- and heat-resistant and uses a standard pressure and volume design so it matches factory flow characteristics. Typical use is as a service replacement after pump wear or failure to prevent low-oil-pressure faults and protect bearings and valvetrain components. The four mounting holes simplify bolt-on installation for mechanics familiar with HEMI front covers, and referencing the listed OEM reference numbers helps confirm fit before buying. Expect a functional, cost-conscious swap for trucks that need a dependable replacement pump, though buyers should verify fitment for specific model years and perform careful gasket and seal work during installation because aftermarket fit and finish can vary compared with factory parts.
Best for: Buyers who want an affordable, functional replacement to restore oil pressure on a 5.7L HEMI and prioritize reliability and value over premium OEM branding.
Less Ideal for: Those seeking a performance or high-pressure upgrade for modified engines or anyone who needs guaranteed factory-identical fit and finish without any installation adjustments.
- Made from aluminum for corrosion and high-temperature resistance
- Standard pressure and volume design matches factory flow characteristics
- Four mounting holes for straightforward bolt-on installation
- Includes multiple OEM reference numbers to help confirm fitment
- Aftermarket unit may require careful sealing and fit verification during installation
Verdict: A practical, aluminum construction replacement oil pump that restores factory oil pressure for 5.7L HEMI owners looking for reliable value.
Likala Engine Oil Pump Kit M342 for 5.7L V8 HEMI
| Compatible engines | 5.7L V8 HEMI |
|---|---|
| Replaces part numbers | M342, 53021622AD/AE/AF/AC, OP1160, M342HV |
| Manufacturer | Likala |
| Item weight | 2.77 pounds |
This Likala oil pump kit is a direct replacement for M342-style pumps used on 5.7L HEMI engines and is designed to restore proper oil circulation and lubrication. It is typically used when a failing pump is causing low oil pressure, knocking, or oil starvation symptoms; installation replaces the worn factory unit and returns oil flow to specification. The pump is described as high-strength aluminum with precision engineering and tight sealing to limit leaks, and the kit ships with the pump ready for installation. For a budget-conscious repair the unit offers solid value: reviewers report expected fit and function and the design targets the same pump families and OEM part numbers listed. Limitations include reliance on correct year/model fitment and the need for a mechanic if you are not experienced with engine drop-in pump swaps, and the listing does not include extended performance testing or guarantees about longevity compared with factory-brand parts.
Best for: Buyers looking to repair a 5.7L HEMI oil pump on a tight budget who prioritize part fitment and restoring factory oil flow over OEM branding or uprated performance.
Less Ideal for: If you want a performance or lifetime-upgraded oil pump or prefer factory-brand replacement parts for warranty continuity, consider other options.
- Direct replacement for M342 family of pumps matching multiple OEM part numbers
- High-volume design aimed at restoring proper oil circulation and pressure
- Constructed from high-strength aluminum and metal components for corrosion resistance
- Includes pump ready for installation as a single kit package
- Does not include professional installation guidance or additional installation hardware beyond the pump
Verdict: A cost-conscious, direct-fit M342 replacement that restores oil flow for 5.7L HEMI engines without the premium of factory-brand pumps.
NSKE Engine Oil Pump Replacement for 5.7L HEMI
| Manufacturer | NSKE |
|---|---|
| Manufacturer Part Number | 53021622BB, 53021622BE, 53021622BF |
| Fitment | 5.7L V8 HEMI engines 2009-2021 (selected Chrysler, Dodge, Jeep, Ram models) |
This NSKE engine oil pump is offered as a direct replacement for 5.7L HEMI applications and is intended to restore oil pressure and flow after a failing or worn OEM pump. Installation is typical for an internal oil pump swap and will normally be performed during engine service or a timing cover job. The listing cites multiple factory part numbers and a long fitment list covering Chrysler 300, Charger, Challenger, Durango, Ram 1500/2500/3500, Grand Cherokee and related models from about 2009 to 2021, so fit for those HEMI engines is the main selling point. Buyers get a single-unit replacement that matches factory mounting and drive locations, which helps avoid fabrication or modification. Limitations include the usual uncertainty around long-term durability versus factory parts and the need to verify exact part numbers against your vehicle before ordering. This part is best used to bring a worn pump back to functional, factory-like operation when repairing or maintaining a 5.7L HEMI.
Best for: Drivers who prioritize restoring reliable oil pressure on a 5.7L HEMI and want a straightforward replacement that matches factory mounting and service procedures.
Less Ideal for: People seeking a performance or high-capacity aftermarket upgrade or those unwilling to confirm exact part number compatibility before purchase.
- Direct replacement for multiple factory part numbers for 5.7L HEMI engines
- Broad fitment across Chrysler, Dodge, Jeep, and Ram 5.7L models from 2009–2021
- Supplied as a complete pump unit ready for standard installation
- Long-term durability compared with factory original parts is not documented
- Fitment requires confirming the exact OEM part number for your vehicle
Verdict: Choose this NSKE pump when you need a direct, ready-to-install replacement to restore oil pressure on a 5.7L HEMI without modifying the engine.
AULINK 10452 High-Pressure Replacement Oil Pump (5.7L/6.4L)
| Manufacturer | AULINK |
|---|---|
| Model | AUOPS103 |
| OEM Part Number | 10452, M452, 53021622BH, MELLING 10452 |
| Position | Inside |
| Lift Type | Mechanical |
This AULINK 10452 oil pump is offered as a high-pressure aftermarket replacement for HEMI 5.7L and 6.4L engines and is designed to restore or raise oil pressure for engine lubrication. It installs in the timing cover area and is a mechanical lift-type pump manufactured in TS16949-certified facilities and tested for function and leakage. The practical benefit is providing the higher oil pressure some rebuilds or modified engines need to protect bearings and valvetrain components. Buyers should note mixed field performance: some users report good, quiet operation and promised pressure, while others report early failures, noisy operation, or use of plastic components in pressure-related parts. That means installation should be approached cautiously and verified with post-install oil pressure checks. Fitment covers a wide range of Ram 1500, 2500, 3500 and other models listed for the 10452 part number, but those planning long-term reliability or minimal risk may prefer a known-metallic design from a major OEM-focused supplier.
Best for: Buyers who prioritize restoring or increasing oil pressure on a HEMI 5.7L/6.4L and are comfortable verifying performance after installation, using oil-pressure checks and monitoring closely.
Less Ideal for: Buyers who want a lowest-risk, proven long-term replacement without post-install verification or those unwilling to accept potential early-failure risk should consider alternative brands with all-metal pressure components.
- Designed specifically for 5.7L and 6.4L HEMI fitment listed under OEM part 10452
- Manufactured in TS16949-certified facilities with function and leakage testing
- Raised oil pressure capability useful for rebuilt or high-demand engines
- Machined exterior and mechanical lift design that mirrors factory placement
- Customer reports show inconsistent durability including bearing or pressure-plate failures
- Some units reportedly use plastic pressure components which can fail under load
Verdict: AULINK's 10452 can provide the higher oil pressure HEMI rebuilds often need, but buyers should verify post-install performance and expect variable durability compared with all-metal alternatives.
Choosing the Right Ram 1500 5.7L HEMI Oil Pump: Key Factors to Consider
Flow Rate and Pressure Characteristics
Oil flow and delivery pressure determine how well the 5.7L HEMI is lubricated across engine speeds. A pump must supply adequate volume at idle and maintain pressure at highway RPMs to keep bearings and valvetrain components oil-wetted.
Manufacturers publish flow curves and target pressure values. For the Ram 1500 5.7L HEMI, look for pumps rated to provide stable pressure throughout the engine's typical operating band. Excessively high pressure can stress seals, while low flow at high RPM can starve components. Matching the pump's hydraulic profile to the engine's requirements reduces wear and prolongs oil life.
Material Quality and Internal Design
Materials and internal design directly affect longevity under the HEMI's thermal and mechanical loads. Hardened steel gears, precision-ground rotors, and robust shafts resist the wear that causes gradual pressure loss.
Consider whether the pump uses gerotor or gear-driven elements, the quality of bearings or bushings supporting the drive shaft, and any protective coatings that limit corrosion. A well-built internal design reduces the chance of metal debris entering the oiling system and extends service intervals.
Seal and Gasket Compatibility
A proper seal at the oil pump mating surfaces is essential to avoid external leaks and to maintain internal suction. The pump's flange, gasket contact surfaces, and included seal materials must match the Ram 1500 5.7L HEMI interfaces.
When a pump comes with a complete gasket or O-ring kit sized for the HEMI, it lowers installation risk. Pay attention to gasket thickness and material compatibility with engine oil and temperature. Improper sealing causes oil loss and pressure drops, negating even a high-quality pump's benefits.
Drive Compatibility and Fitment
The pump must match the engine's drive arrangement and mounting points to avoid modifications. Correct splines, shaft length, gear alignment, and bolt pattern ensure the unit meshes properly with the timing cover and oil pickup system on the 5.7L HEMI.
Confirming bolt hole locations, drive spline count, and overall envelope prevents installation surprises. A pump that requires machining or adapter parts increases labor and introduces additional failure points, so prefer direct-fit units when possible.
Durability Under Heat and Contaminants
The 5.7L HEMI runs hot, and oil pump components need to tolerate temperature cycling and potential contamination from engine wear. Look for designs and materials proven to resist scuffing, scoring, and thermal degradation.
Filters and screens upstream of the pump help, but the pump itself should resist abrasive contaminants and maintain clearances after years of service. Resistance to oil breakdown, compatibility with modern lubricants, and thermal stability of seals are all part of long-term durability.
Serviceability and Installation Considerations
Ease of installation reduces the chance of incorrect assembly and makes routine service more practical. Factors include whether the pump ships with required gaskets or hardware, how accessible the pump is on the Ram 1500 5.7L HEMI during replacement, and whether special tools are needed.
A pump that includes a full gasket kit and clear installation notes saves time and lowers the risk of post-installation leaks. Consider also whether the pump allows straightforward pickup tube reorientation or inspection without major teardown. Service-friendly pumps help ensure the repair stays sealed and pressure remains consistent.
Common Signs Your Ram 1500 Needs an Oil Pump Service
Recognizing early signs of a failing oil pump helps prevent engine damage. Intermittent low oil pressure warnings on the dash, unusual tapping or knocking noises from the valvetrain at idle, and sudden oil pressure drops during acceleration are all red flags specific to oil delivery problems.
Some drivers notice increased oil consumption or small external leaks after a pump failure, while others see pressure return to normal only after extended warm-up. Addressing these symptoms promptly reduces the risk of bearing wear and catastrophic failure.
- Dash oil pressure warning or gauge swings
- Tapping or ticking from valvetrain at idle
- Loss of oil pressure during acceleration
- Fresh oil leaks around pump or gasket area
Preparing Your Ram 1500 for Oil Pump Replacement
Preparation reduces labor time and prevents mistakes. Park the truck on a level surface, disconnect the battery, and allow the engine to cool. Gather the correct gasket set, new pump hardware, and fresh engine oil and filter for post-installation fill.
Inspect the oil pickup tube and screen for debris while the sump is down. Replacing or cleaning the pickup and using a new gasket set during pump installation helps ensure the system is free of contaminants and seals properly.
- Drain oil and remove oil pan to access pickup and pump
- Inspect pickup screen and replace if clogged
- Use new gaskets, O-rings, and mounting hardware
Understanding Oil Pump Types and How They Affect HEMI Performance
Common pump designs include gerotor and gear-type units. Each design delivers pressure differently and has unique advantages. For the 5.7L HEMI, the chosen design should maintain steady pressure across the engine's typical RPM range and tolerate the HEMI's thermal environment.
Higher-pressure variants may be appropriate when additional engine modifications change flow requirements, but for a stock 5.7L HEMI, matching the OEM hydraulic profile usually gives the best balance of pressure and seal longevity.
- Gerotor: smooth flow, compact design
- Gear-type: robust under high loads, predictable pressure
Installation Tips to Avoid Leaks and Pressure Loss
Correct torque values and sequence for mounting bolts are critical to prevent gasket distortion and leaks. Clean all mating surfaces thoroughly, and use the specified gasket material rather than generic sealant unless the manufacturer indicates otherwise.
Check the pump drive engagement and verify the pickup tube alignment before final assembly. After installation, prime the oiling system if possible and perform an initial oil pressure check at idle and higher RPMs to confirm proper operation.
- Clean mating surfaces and use correct torque sequence
- Prime the pump or crank without ignition to circulate oil
- Verify pickup tube alignment and screen condition
When to Consider Upgrading to a Higher-Capacity Pump
Owners who increase engine output or add modifications that raise operating temperatures may need a pump with higher flow or pressure characteristics. If your build includes components that demand greater oiling at high RPM, review pumps with verified higher flow rates designed for those conditions.
Keep in mind that higher pressure can increase stress on seals and oil passages. Upgrading is a tradeoff that should be matched to the engine's actual needs rather than chosen for perceived performance gains alone.
- Assess flow needs after power upgrades
- Balance pressure gains with seal and passage limits
Maintaining Oiling Health After a Pump Replacement
After installing a new oil pump, follow a break-in period with scheduled oil and filter changes to remove any assembly debris. Monitor oil pressure and check for leaks during the first few hundred miles.
Periodic inspection of oil condition and pickup screen cleanliness helps detect early problems before they affect the new pump. Maintaining correct oil change intervals and using the recommended oil viscosity keeps pressure consistent over time.
- Change oil and filter after initial break-in miles
- Monitor pressure and inspect for leaks regularly
- Keep pickup screen and filter maintenance current
Still looking for the perfect fit?
Select your Ram 1500 configuration to see the most relevant Oil Pumps recommendations
How We Chose the Best Ram 1500 5.7L HEMI Oil Pump
We focused on attributes that directly affect service life and engine protection for the Ram 1500 5.7L HEMI. Selection screened candidate pumps for correct OEM-style fitment and mounting dimensions, verified flow and pressure characteristics compatible with HEMI oiling needs, and prioritized manufacturing quality such as hardened gears, precision machining, and corrosion-resistant coatings. We evaluated sealing systems and included pumps designed to accept correct gasket and O-ring materials for the HEMI sump and timing cover interfaces.Durability was judged by materials and construction: gear type, shaft support, and bearing design determine long-term resistance to wear. Hydraulic performance was assessed by published flow rates and pressure capabilities under typical HEMI operating RPM ranges. Ease of installation and the availability of complete gasket/seal kits were also considered to reduce the chance of post-installation leaks.We excluded pumps without verified fitment data for the 5.7L HEMI, units lacking relevant engineering specifications, and any parts that required unspecified machine work to install. Our final picks balance correct fitment, consistent pressure delivery, robust construction, and practical installation considerations.
Our full evaluation process is outlined in our review methodology.
FAQ
What are the most common symptoms of a failing oil pump on the 5.7L HEMI?
Common symptoms include fluctuating or low oil pressure warnings, unusual valvetrain noise at idle, and oil pressure drops during acceleration. Some owners also notice fresh oil leaks near the pump mounting area or increased engine noise due to reduced lubrication.
Can I drive my Ram 1500 with intermittent low oil pressure?
Driving with intermittent low oil pressure is risky because it allows increased wear on bearings and the valvetrain. If you see pressure warnings or hear sustained engine noise, stop driving and address the issue to avoid significant engine damage.
Is a direct-fit pump necessary for the 5.7L HEMI?
A direct-fit pump that matches the HEMI's drive and mounting details minimizes installation complexity and reduces the chance of leaks or misalignment. Non-direct-fit options that require modifications can introduce additional failure points and often increase labor.
How does oil viscosity affect pump performance on this engine?
Oil viscosity influences flow and pressure. Thicker oil increases pressure at the pump but may reduce cold-start flow, while thinner oil improves cold flow but lowers pressure at operating temperature. Use the manufacturer-recommended viscosity to preserve pump life and oiling performance.
Should I replace the pickup tube when replacing the oil pump?
It is wise to inspect the pickup tube and screen and replace them if they show damage or contamination. Cleaning or replacing the pickup reduces the risk of debris restricting flow to the new pump and helps ensure consistent oiling after the repair.
How soon should I check for leaks after installing a new oil pump?
Check for visible leaks immediately after the first start and again after the first few dozen miles. Recheck oil pressure at idle and under light load to confirm stable operation and that sealing surfaces are holding correctly.
Final Verdict
When replacing the oil pump on a Ram 1500 5.7L HEMI, prioritize correct hydraulic profile, robust materials, and proper sealing to protect the engine. Direct-fit units that match drive and mounting details reduce installation risk, while quality internal components and compatible gaskets increase longevity.Balance flow and pressure to your engine's needs: stock replacements suit typical use, while higher-capacity units are appropriate only when modifications demand them. Focus on reliable fitment, durable construction, and correct installation to restore dependable oil pressure and extend engine life.
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