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If you own an Acura TSX, the oil pump is vital to keep the engine lubricated and running smoothly. A failing pump can cause reduced oil pressure, accelerated wear, and in extreme cases, engine damage. This guide covers the top shortlisted oil pumps for the Acura TSX and explains why each made the list. We evaluated candidates based on flow performance and durability, plus build quality and ease of installation. Read on to see the top picks and what to look for when selecting a replacement for your TSX.
Looking for other parts? See all Acura TSX parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Engine Oil Pump for Honda Civic 1.7L (D17A1/A2/A6/A7) |  |
| Best Quality Built to a higher standard if you want something more solid | Vipcar Replacement Oil Pump for Honda/Acura J35J37 V6 Engines |  |
| Best Budget The cheapest option that still gets the job done reliably | ADIGARAUTO Engine Oil Pump (M531) Compatible with Acura/Honda Vehicles |  |
| Most Sold A high-volume bestseller chosen again and again | DOLKSN Engine Oil Pump Shaft Balance Assembly for Acura TSX 2.4L (Fits 2009–2014) |  |
| Best Overall The best all-around choice for most situations | A-Premium Engine Oil Pump for Acura and Honda 3.5L/3.7L V6 |  |
1. A-Premium Engine Oil Pump for Honda Civic 1.7L (D17A1/A2/A6/A7)
| Vehicle Fitment | Honda Civic 2001-2005 L4 1.7L D17A1/D17A2/D17A6/D17A7 |
|---|---|
| Housing Material | Aluminum |
| Gasket or Seal Included | Yes |
| Oil Pump Type | Rotary |
| Mounting Hole Quantity | 5 |
This A-Premium oil pump is a direct-style replacement intended to restore oil circulation and pressure in compatible 1.7L D17 engines. It installs where the factory pump mounts and includes a gasket and O-ring to complete the basic installation. The pump uses an aluminum housing and a rotary design with a standard volume and pressure rating, so it functions like a stock unit rather than an upgraded performance pump. Practical benefits are straightforward: it replaces a failing pump to recover lubrication and reduce risk of engine wear, and the included hardware simplifies a basic swap. Some buyers report the need to deburr or check internal edges before installation, which suggests variable finish quality compared with factory parts. Also it only fits specific D17A engine codes, so confirming compatibility is essential. For someone seeking an affordable, service-life replacement that mirrors factory behavior, this is a usable option; for high-performance or modified engines a higher-capacity or higher-pressure pump would be preferable.
Best for: A reliability-focused buyer who prioritizes restoring proper engine lubrication with a cost-effective, factory-style replacement for maintenance or repair.
Less Ideal for: Not a good choice for owners planning engine upgrades, high-performance tuning, or those who need increased oil flow or pressure beyond stock specifications.
- Direct-fit replacement for specified D17 1.7L Honda applications
- Aluminum housing and rotary design provide factory-style oil circulation
- Includes gasket and O-ring to simplify installation
- Standard volume and pressure mirror stock performance for reliability-focused repairs
- Some units may require light deburring or inspection before use due to finish variability
- Designed for standard-volume/pressure only and not suited for high-performance oiling upgrades
Verdict A practical, factory-style replacement pump for D17 1.7L Hondas that restores stock oiling but is not intended for performance upgrades.
2. Vipcar Replacement Oil Pump for Honda/Acura J35J37 V6 Engines
| Brand | Vipcar |
|---|---|
| Material | Aluminum |
| Manufacturer | LOBAM MACHINERY |
| OEM Part Number | 15100R70A02, 15100R70A11, 15100R72A02, 15100RYEA11 |
This Vipcar oil pump is a replacement unit built to match factory performance for the J35/J37 V6 family and is intended as a direct swap where that engine fitment is required. It uses machined gears and gerotor technology and is tested for pressure, flow, temperature fatigue, metallography and corrosion resistance to reproduce correct oil pressure without overstressing the engine. In practical terms it is used when servicing an Acura TSX with the J35 V6 to restore reliable oil circulation after a failed or worn pump. Benefits include engineered tolerances for correct oil pressure and factory-style flow characteristics, pre-delivery testing that reduces the risk of early failure, and an aluminum construction that keeps added rotating mass low. Limitations: the listing covers multiple interchange numbers so confirm the exact J35 variant before ordering, and aftermarket fitment can still vary by production sub-variant which may require verification during installation. Expect professional installation and proper gasket/seal replacement for best results.
Best for: Performance-oriented buyers who prioritize restoring factory oil pressure and reliable high-flow performance in a J35-equipped Acura TSX to protect engine health under spirited driving.
Less Ideal for: Buyers seeking a plug-and-play upgrade without verifying sub-variant compatibility or those who prefer dealer-supplied factory parts and documented independent test audits.
- Engineered gear and gerotor design aimed to reproduce correct oil pressure and flow
- Factory-style testing for pressure, flow, temperature fatigue and corrosion increases reliability
- Aluminum construction and machined components for consistent tolerances
- Interchangeable with common Honda part numbers listed for direct replacement
- Fitment requires verification for specific J35 sub-variants due to multiple pump choices
- Manufacturer claims and test results are provided by the seller rather than by an independent lab
Verdict A performance-minded, factory-replacement style oil pump for J35 V6 Acura TSX owners who need reliable pressure and tested components, provided you verify the exact sub-variant fitment.
3. ADIGARAUTO Engine Oil Pump (M531) Compatible with Acura/Honda Vehicles
| Manufacturer Part Number | AOPM531 |
|---|---|
| OEM Part Number | M531;OPH51;15100R70A02, 15100R70A11, 15100R72A02 |
| Item Weight | 4.8 pounds |
This ADIGARAUTO engine oil pump is a budget-friendly direct replacement intended to restore proper oil pressure and lubrication in compatible Acura and Honda engines. It installs in place of the factory pump and is typically used during engine rebuilds or when low oil pressure or pump failure is suspected. The listing emphasizes precision fitment to match factory specifications and claims durable construction and stress testing to resist leaks and pressure loss. For real-world use you can expect it to return normal oil circulation and protect bearings and valvetrain once installed correctly, and the multiple user comments indicate straightforward fit and satisfactory performance. Limitations are typical of aftermarket budget pumps: long-term durability vs a factory-quality part can vary, and you should confirm exact TSX engine compatibility before purchase rather than relying only on year and model. Professional installation or careful DIY experience is recommended to ensure proper torque and sealing during replacement.
Best for: Budget-conscious owners seeking a low-cost replacement pump to get an Acura TSX back to reliable oil circulation without paying for a dealer part.
Less Ideal for: Owners who prioritize long-term factory-quality longevity or who prefer OEM-sourced components should consider higher-end or factory replacement options.
- Direct-replacement design aimed at matching factory fitment for an easy swap
- Constructed with precision-machined components intended to maintain consistent oil pressure
- Marketed as stress-tested for corrosion resistance and leak prevention
- Clear fitment notes and user reports that it fits as expected
- Long-term durability compared with a factory-quality pump is uncertain
- Fitment must be double-checked for the specific TSX engine variant before installation
Verdict A wallet-friendly direct-replacement oil pump that restores oil pressure for compatible TSX engines but may not match factory parts for long-term durability.
4. DOLKSN Engine Oil Pump Shaft Balance Assembly for Acura TSX 2.4L (Fits 2009–2014)
| Manufacturer | DOLKSN |
|---|---|
| Manufacturer Part Number | CRPW6719-1 |
| Compatible Engines | K24 series 2.4L (listed codes) |
This Engine Oil Pump Shaft Balance Assembly is a replacement part intended to fit the 2.4L Acura TSX (2009–2014) and to restore proper oil pump function and balance. It installs in place of the factory pump shaft balance and is typically used during engine repairs where oil pressure, pump noise, or balance concerns are present. The listing notes compatibility with specific K24 engine codes and replaces Honda part numbers such as 15100-R40-A02, which helps confirm fitment for the TSX. Built components are quality-checked during machining and assembly and are presented as engineered for quiet operation and durability. In real-world use this part should return factory-like oil flow and reduce shaft-related vibration when installed correctly by a mechanic. Limitations are typical of aftermarket replacements: careful part-number matching is required before purchase and successful long-term performance depends on correct installation and the condition of the surrounding oil pump components.
Best for: Risk-averse mainstream buyers seeking a straightforward replacement to return their Acura TSX engine to factory-like oil pump performance without experimenting with performance upgrades.
Less Ideal for: Drivers looking for performance or upgraded oil delivery beyond factory specifications or those who prefer dealer-sourced factory parts for warranty continuity.
- Made to replace Honda part numbers listed for the K24 2.4L engines used in the TSX
- Quality-checked during machining and assembly to reduce noise and improve durability
- Designed to restore proper oil pump balance and reduce shaft-related vibration
- Clear fitment notes and part numbers make it easier to confirm compatibility with the TSX
- Aftermarket part performance can depend on installation quality and condition of other pump components
- Requires verification of exact part number to ensure correct fit
Verdict A focused aftermarket replacement for the Acura TSX 2.4L that aims to restore factory oil-pump balance when the correct part number is confirmed and installed properly.
5. A-Premium Engine Oil Pump for Acura and Honda 3.5L/3.7L V6
| Housing Material | Aluminum |
|---|---|
| Seal Included | Yes |
| Volume Type | Standard Volume |
| Pressure Type | Standard Pressure |
| Oil Pump Type | Rotary |
This A-Premium oil pump replaces the factory unit on compatible 3.5L and 3.7L V6 engines and is intended to restore engine oil circulation and pressure. It is a rotary, standard-volume, standard-pressure pump with an aluminum housing and ships with a seal installed. Typical use is as a direct replacement when the factory pump fails or leaks; install requires removing the front of the engine and reusing or replacing the crank seal as needed. The practical benefits are straightforward: it brings back lubrication and cooling to internal components, comes with mounting holes matching the factory pattern, and includes a seal to simplify reassembly. Limitations to note are build consistency and quality control based on some reports of casting defects and seal leakage, so careful inspection before installation is recommended. Also it is a like-for-like replacement rather than a performance upgrade, so expect factory-level volume and pressure rather than increased flow.
Best for: Balanced buyers who want a practical, factory-style replacement for a failing oil pump on their Acura TSX and prioritize straightforward fitment and value over performance modifications.
Less Ideal for: People seeking upgraded oil flow or motorsport-oriented solutions should look for high-volume pumps or performance-specific units instead.
- Direct fit for specified Acura and Honda 3.5L/3.7L V6 SOHC engines, simplifying replacement.
- Aluminum housing offers corrosion resistance and OEM-like weight balance.
- Includes a pre-installed seal to reduce parts hunting during install.
- Standard-volume and pressure design matches factory lubrication requirements.
- Some units have reported casting defects and seal leaks, indicating variable quality control.
- Not a performance or high-volume upgrade for engines needing increased oil flow.
Verdict A practical, factory-style replacement that restores normal oil circulation on compatible Acura TSX V6 engines but inspect carefully for casting or seal defects before installation.
Choosing the Right Acura TSX Oil Pump: Key Factors to Consider
Flow Rate and Pressure Stability
Oil flow rate determines how much lubricant reaches bearings and moving parts. A pump that maintains steady pressure across different engine speeds helps ensure consistent lubrication during idling, cruising, and higher RPMs.
Variations in pressure can indicate inefficiency or impending failure, so choose a pump with rated flow and stable pressure characteristics that align with Acura TSX engine requirements.
Material Quality and Durability
Materials used in gears, housing, and shafts influence wear resistance and lifespan. Higher-grade metals and precision machining reduce the risk of premature failure and maintain tight clearances vital for pump performance.
Durable construction also helps resist cavitation and long-term degradation from heat and contaminants, which is important for preserving engine health over many miles.
Seal and Gasket Reliability
A secure gasket seal prevents oil leaks that can lower pressure and contaminate other components. Compatibility with the TSX sealing surfaces and use of robust gasket materials minimize the chance of seepage after installation.
Proper sealing also reduces the need for repeated repairs and helps maintain consistent oil pressure, which is critical for bearing protection and overall engine longevity.
Fitment and Ease of Installation
Correct fitment to the Acura TSX mounting points and clearances avoids the need for modification and reduces installation time. Pumps designed for straightforward bolt-on replacement lower the likelihood of installation errors that can cause leaks or misalignment.
Consider how much disassembly is required, accessibility of mounting hardware, and whether common garage tools suffice. Easier installation can reduce labor time and lower the risk of damage during replacement.
Noise and Vibration Characteristics
Noise from an oil pump often signals issues such as cavitation, worn gears, or poor lubrication. A quieter pump typically indicates smoother internal operation and better tolerances.
Excessive vibration can accelerate wear on both the pump and engine components, so look for designs that minimize mechanical noise and vibration to support a quieter, more reliable engine.
Compatibility with Performance Needs
If you plan to increase engine output or run higher loads, a pump rated for higher pressure or improved flow may be necessary. Matching pump capability to intended driving conditions helps avoid oil starvation at high RPMs or under sustained stress.
For regular street use, a stock-equivalent pump that meets TSX factory specifications is often sufficient, while more demanding applications may require pumps designed for higher flow stability.
FAQ
What are common symptoms of a failing oil pump in an Acura TSX?
Common signs include a drop in oil pressure, unusual engine noise, and warning lights on the dash. You may also notice increased engine wear or oil leaks. These symptoms often appear gradually but should be checked promptly to avoid engine damage.
Can I replace the Acura TSX oil pump myself?
Many owners can perform the replacement with moderate mechanical skill and basic tools, but it depends on access and the specific engine layout. Proper sealing, torque specifications, and cleanliness are important, so be prepared for careful work or seek professional help if unsure.
How long should an oil pump typically last?
Oil pump lifespan varies with driving conditions, maintenance, and oil quality, but they often last many tens of thousands of miles. Regular oil changes and using the correct oil can extend life, while contamination or neglect can shorten it.
Does oil pump noise always mean failure?
Not always. Some noise may come from low oil levels, viscous oil at cold start, or related lubrication issues. Persistent grinding or whining noises that do not resolve with normal warm-up often indicate wear or cavitation and warrant inspection.
What should I check before buying a replacement oil pump?
Confirm fitment for the Acura TSX engine, review the pump's flow and pressure specifications, and verify gasket and seal compatibility. Also consider material quality and installation requirements to ensure reliable operation after replacement.
How We Chose the Best Acura TSX Oil Pump
We selected candidates by focusing on the specific demands of the Acura TSX engine and real-world maintenance needs. Key evaluation criteria included oil flow rate and pressure stability under typical operating conditions, materials and manufacturing quality that affect longevity, compatibility with TSX engine dimensions and mounting points, oil pump gasket seal reliability to prevent leaks, and the practical ease of installation for typical home or shop installation. We also considered durability factors such as resistance to cavitation and wear, plus whether the pump design minimizes oil aeration. Units that required extensive modification, did not match TSX fitment, or lacked adequate sealing solutions were excluded. We prioritized pumps that balance reliable performance with straightforward installation and long service life for Acura TSX owners.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an oil pump for an Acura TSX, prioritize consistent flow and pressure stability, robust materials, and reliable sealing. Those factors have the biggest impact on lubrication performance and engine longevity. Balance ease of installation with durability and intended use. For routine driving, a pump that meets factory flow and sealing standards is usually best, while higher-demand applications may justify pumps with enhanced flow or pressure characteristics.
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