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If you drive a Buick Enclave, the oil pump is one of the most important components for keeping the engine lubricated and running smoothly. Choosing the right Buick Enclave oil pump affects oil pressure, long-term wear, and how the engine responds under load. This guide covers the seven top shortlisted oil pumps for the Buick Enclave, each selected for specific strengths such as consistent flow, build quality, or installation ease. The following overview explains the evaluation criteria you can use to pick the best option for your vehicle and driving habits.
Looking for other parts? See all Buick Enclave parts & accessories.
Top Picks at a Glance
| Best overall The best all-around choice for most situations | AULINK M353 Replacement Oil Pump for 3.0–3.6L V6 GM Engines |  |
| Best Quality Built to a higher standard if you want something more solid | GM Genuine Parts 12640448 Engine Oil Pump |  |
| Best Value The sweet spot between price and what you get | BOXI Oil Pump (replacement for 12640448 / M353) |  |
| Best budget The cheapest option that still gets the job done reliably | Likala Engine Oil Pump Kit M353 for Buick Enclave 3.6L |  |
| Highest Rated A top-rated pick with lots of positive feedback | A-Premium Aluminum Engine Oil Pump for Buick Enclave 3.6L V6 |  |
| Most popular A crowd favorite that many people choose with confidence | OCPTY M353 Oil Pump (Replacement for Buick Enclave) |  |
| Best Seller A high-volume bestseller chosen again and again | NewYall Engine Oil Pump with Bolts (fits select GM 3.6L V6 applications) |  |
1. AULINK M353 Replacement Oil Pump for 3.0–3.6L V6 GM Engines
| Brand | AULINK |
|---|---|
| Manufacturer Part Number | AUOPW026 |
| OEM Part Number | M353, 12640448,12584298,12590016,12590152,1610078J00,OP3139,224-43667,057-1630,1610078J01 |
| Lift Type | Mechanical |
This AULINK M353 oil pump is a direct-fit replacement for many 3.0L and 3.6L GM V6 engines and is intended to restore factory oil pressure and lubrication after failure or during an engine rebuild. It installs like a factory replacement and the listing says it is pressure and leakage tested with ISO certified production, so in typical use it will circulate oil to feed lifters, tensioners and bearings. Buyers will appreciate that it ships with necessary installation components to simplify fitment and that multiple customer reports show straightforward bolt alignment and reliable operation. However, some users report occasional quality-control issues such as a snapped bolt during installation or insufficient sealing that affected oil pressure on a few units, so careful inspection and torque control during install are advisable. For owners seeking a cost-effective factory-quality replacement this pump covers the common Buick Enclave V6 applications, but those demanding guaranteed long-term durability may prefer a higher-tier aftermarket or OEM-branded option.
Best for: Balanced owners looking for an affordable, ready-to-install replacement pump to restore oil pressure on a Buick Enclave V6 who prioritize fitment and value over premium-brand assurance.
Less Ideal for: Drivers seeking a guaranteed long-term OEM-level rebuild or professional shops that prefer branded, warranty-backed components for high-mileage engines should consider alternative suppliers.
- Direct-fit replacement for Buick Enclave 3.6L V6 applications, simplifying installation
- Pressure and leakage tested with ISO/QS certified manufacturing claims
- Includes necessary installation kits for easier fitment
- Multiple user reports of correct bolt alignment and satisfactory operation
- Some reviews cite quality-control problems such as weak fasteners or sealing failures that can affect oil pressure
- Not from a tier-one OEM so long-term durability varies between units
Verdict: A cost-effective, direct-fit replacement for Buick Enclave V6 engines that restores oil circulation but requires careful inspection at installation due to mixed quality reports.
2. GM Genuine Parts 12640448 Engine Oil Pump
| Brand | GM GENUINE PARTS |
|---|---|
| Model | GM Original Equipment |
| Exterior | Machined |
This GM Genuine Parts engine oil pump is a factory-quality replacement designed and tested to GM standards for use in compatible GM engines. It installs like a direct replacement and is intended for maintenance or repair when the original pump is worn or failing. Notable features include a machined exterior and GM validation, which point to precise fit and OEM-level tolerances that help restore proper oil pressure and flow. The pump is typically used during engine service or rebuilds and benefits owners who want a part engineered to the original vehicle specifications. Practical benefits include straightforward fitment, reduced risk of compatibility issues, and the backing of GM engineering. The main limitations are that it is a single-component replacement—installation requires mechanical access and some engine disassembly—and compatibility must be confirmed for the specific Buick Enclave engine and model year before purchase.
Best for: Performance-oriented buyers who prioritize factory-spec parts and want a replacement that restores original oil delivery and engine longevity.
Less Ideal for: Casual DIYers without mechanical experience or buyers looking for a universal or low-cost aftermarket substitute should consider other options.
- Factory-quality part validated by General Motors for fit and function
- Machined exterior suggests precise manufacturing and durable finish
- Direct replacement design simplifies installation compared with aftermarket modifications
- Requires engine access and mechanical skill to install
- Compatibility must be confirmed for the specific Buick Enclave engine and year
Verdict: Choose this GM Genuine Parts oil pump when you want a factory-validated replacement to restore original oil pressure and reliability.
3. BOXI Oil Pump (replacement for 12640448 / M353)
| Manufacturer Part Number | BX05800006-1 |
|---|---|
| OEM Part Number | M353, 12640448, OP3139, 224-43667, 057-1630 |
| Brand | BOXI |
| Item model number | BX05800006-1 |
This BOXI oil pump is a budget-focused replacement intended to restore factory oil pressure and circulation on compatible GM 3.0L and 3.6L V6 engines found in Buick Enclave-compatible platforms. It installs in the engine where the stock pump sits and performs the basic job of drawing oil from the pan and feeding it to bearings and cam drive components. The listing notes compatibility with a range of GM V6 engines and cites replacement part numbers that match factory units, and buyers report straightforward fit and satisfactory cold-start pressure. Practical benefits include a lower-cost option versus dealer parts and a claimed test to meet or exceed manufacturer specifications. Important limitations are that instructions are not included and professional installation is recommended, so home installers should be comfortable with engine work; long-term durability compared with factory parts is not documented and warranty coverage is limited. Use this when you need a cost-effective service replacement and can confirm exact part-number compatibility before ordering.
Best for: A practical optimizer who needs a cost-effective service replacement to get an engine back to normal operation without paying dealer prices and is willing to verify part numbers and arrange professional installation if needed.
Less Ideal for: Buyers seeking a factory-sourced part with documented long-term durability or those who prefer detailed installation guidance should consider dealer parts or a remanufactured pump with stronger warranty support.
- Matches common GM replacement part numbers for direct-fit installation on compatible V6 engines
- Lower-cost alternative to dealer or OEM oil pumps
- Customer reports indicate easy fit and acceptable oil pressure at startup
- No installation instructions included and professional installation is recommended
- Long-term reliability compared with factory parts is not specified
Verdict: A cost-conscious replacement that restores oil pressure for compatible Buick Enclave-related V6 engines if you confirm part-number fit and arrange proper installation.
4. Likala Engine Oil Pump Kit M353 for Buick Enclave 3.6L
| Compatible Engine | 3.6L V6 |
|---|---|
| Model Fitment Years | 2008–2016 |
| Part Number Replaces | M365, 12612289, DM1141, EP365, OP3172 |
This Likala M353 engine oil pump kit supplies the pump needed to reestablish oil circulation and pressure for Buick Enclave 3.6L V6 engines (2008–2016). It is supplied as a high-volume unit intended to replace the factory pump and is typically installed during engine repairs where low oil pressure or pump failure is suspected. The pump is described as made from high-strength aluminum and metal components with precision machining and tight sealing to reduce leakage risk. For a budget-focused replacement this kit delivers the core function: circulate oil to lubricate and help cool moving parts, which preserves engine life when the original pump is worn. Important limitations are that this is an aftermarket replacement rather than a factory part and installation can require mechanical experience or professional help; fitment must match the Enclave 3.6L year range and correct part number. Buyers should also check condition on arrival since packaging reports vary even when the part itself is fine.
Best for: Budget-conscious owners who need a cost-effective replacement to restore oil circulation on a Buick Enclave 3.6L and prioritize basic reliability over OEM branding.
Less Ideal for: Owners seeking a direct factory-brand replacement or those who prefer dealer-installed parts with manufacturer-backed fitment verification.
- Specifically listed to fit Buick Enclave 3.6L V6 models 2008–2016
- High-volume design intended to restore oil pressure and flow
- Constructed from high-strength aluminum and metal components for durability
- Precision machining and tight sealing to reduce likelihood of oil leaks
- Aftermarket part rather than a factory-quality unit
- May require professional installation for proper fit and torque procedures
Verdict: A cost-conscious aftermarket oil pump that restores oil flow for Buick Enclave 3.6L engines but requires correct year fitment and competent installation.
5. A-Premium Aluminum Engine Oil Pump for Buick Enclave 3.6L V6
| Housing Material | Aluminum |
|---|---|
| Gasket or Seal Included | Yes |
| Volume Type | Standard Volume |
| Pressure Type | Standard Pressure |
| OEM Number | M353, 12584298, 12590016, 12590152, 12640448, 1610078J00, 1610078J01, OP3139 |
This A-Premium oil pump is a direct replacement designed to restore oil circulation on 3.6L V6 Buick Enclave engines. It installs in place of the factory pump and supplies standard-volume and standard-pressure flow intended for normal driving and engine lubrication. The housing is aluminum and the unit ships with a gasket or seal, but it does not include the oil pickup tube assembly so you must retain or source that separately during a service. Buyers report straightforward fitment to Enclave model years covered by the listing and reasonable quality for the price. Expect typical shop-level installation effort and the usual checks for noise and proper pressure after fitting. Some users have noted occasional noise after installation, which could require re-checking alignment or replacement if persistent. This pump comes with a one-year unlimited-mileage guarantee from the brand, which gives additional reassurance for reliability-minded owners willing to replace the pickup tube if needed.
Best for: Reliability-focused owners who prioritize restoring factory-spec oil circulation on a Buick Enclave 3.6L V6 and want a straightforward, value-oriented replacement.
Less Ideal for: Owners seeking a performance or high-volume upgrade, or those who want a complete kit that includes the pickup tube and additional hardware.
- Made from aluminum housing for corrosion resistance and durability.
- Includes gasket or seal to simplify installation.
- Designed to match factory-standard volume and pressure for normal engine lubrication.
- Direct fit for Buick Enclave 2008–2019 3.6L V6 according to the fitment listing.
- Does not include the oil pickup tube assembly which must be reused or purchased separately.
- Some buyers reported post-installation noise that may require troubleshooting or rework.
- Not a high-performance or increased-capacity pump — intended for standard use only.
Verdict: A practical, factory-spec replacement oil pump for Buick Enclave 3.6L V6 owners who want a reliable, budget-friendly repair but will need to provide or reuse the pickup tube.
6. OCPTY M353 Oil Pump (Replacement for Buick Enclave)
| Manufacturer | OCPTY |
|---|---|
| Model | Oil Pump |
| OEM Part Number | M353, 12640448, OP3139, 224-43667, 057-1630 |
This OCPTY M353 oil pump is a replacement unit intended to restore engine oil pressure and keep internal components lubricated on compatible Buick Enclave models. It is constructed from an aluminum alloy and is described as light and compact while delivering substantial oil volume. Typical use is as a like-for-like service part when the factory oil pump shows wear, low pressure, or during engine service that requires removal of the oil pan and timing components. The pump is sold as a complete unit that matches common Buick part numbers, which simplifies selection for maintenance-minded buyers. Practical benefits include corrosion resistance from the alloy construction and a tested fit for Enclave applications that many installers report fits without modification. Limitations are that installation can require significant disassembly and should be handled by someone familiar with engine front-end work, and there is no detailed performance data or vehicle-specific torque/clearance specifications in the listing, so professional verification of fit and installation procedure is recommended.
Best for: Convenience-driven buyers who want a ready replacement that matches factory part numbers and minimizes parts hunting when servicing a Buick Enclave.
Less Ideal for: Owners seeking performance-upgraded pumps or detailed engineering specifications should consider aftermarket performance units or consult a specialist.
- Aluminum alloy construction resists corrosion and helps with heat tolerance
- Marketed to match multiple Buick OEM part numbers for easier selection
- Compact, high-volume design intended to maintain proper oil pressure
- Arrives as a complete pump that can replace the factory unit without added components
- No vehicle-specific installation instructions or torque specs included in the listing
- Requires oil pan removal and engine-front disassembly so professional installation is recommended
Verdict: A convenient, factory-replacement style oil pump for Buick Enclave owners who need a straightforward swap to restore oil pressure, but plan on professional installation due to the work involved.
7. NewYall Engine Oil Pump with Bolts (fits select GM 3.6L V6 applications)
| Compatible engines | GM 3.6L V6 (selected codes listed) |
|---|---|
| Includes | Oil pump with mounting bolts |
| Manufacturer | NewYall |
| Item model number | l2640448 |
This NewYall oil pump is a factory-replacement style unit intended for 3.6L GM V6 engines used in Buick Enclave and other GM cars and SUVs. It replaces the engine's oil pump to restore proper oil pressure and flow after wear or failure and is most often installed during timing-chain service or engine repair. The listing includes mounting bolts which simplifies installation for a mechanic or experienced DIYer. Customers report straightforward fitment and reliable operation when installed with the correct timing and seals. As an aftermarket part, it provides a budget-friendly alternative to dealer parts, but long-term durability will depend on proper installation and engine maintenance. This pump does not include gaskets or timing components so expect to source related seals separately when doing a full service. For risk-averse buyers, choosing a reputable installer and verifying vehicle fitment before purchase reduces potential issues.
Best for: A cautious, risk-averse buyer who wants a widely sold, budget-friendly replacement part for a Buick Enclave 3.6L and prefers proven fitment and easy installer access.
Less Ideal for: Buyers expecting a complete timing kit or all seals in one package should look for a full service kit or factory-sourced part instead.
- Designed for direct replacement on GM 3.6L V6 engines used in Buick Enclave and similar models
- Includes mounting bolts to simplify installation
- Multiple user reports of correct fit and functioning after installation
- Does not include gaskets or timing components required for a full timing-chain service
- Aftermarket manufacturer means long-term durability may vary compared with factory parts
Verdict: A cost-conscious, widely sold direct-replacement oil pump that restores oil delivery for Buick Enclave 3.6L engines while simplifying installation with included bolts.
Choosing the Right Buick Enclave Oil Pump: Key Factors to Consider
Flow Rate and Pressure Characteristics
Oil flow and pressure determine how effectively oil reaches critical engine bearings and cam components. A pump that delivers stable pressure across a wide RPM range reduces the chance of oil starvation during cold starts, heavy loads, or sustained highway speeds. Look for pumps with documented flow curves or specifications that match the engine's oiling requirements. Overly high pressure can stress seals and increase parasitic losses, while too-low pressure risks accelerated wear. Consider how the pump performs at idle and peak RPMs to ensure adequate lubrication in all driving conditions.
Material Quality and Internal Clearances
Pump longevity depends on the materials used and precision of internal machining. Hardened gears or rotors and corrosion-resistant housings help resist wear from contamination and age. Tight, consistent internal clearances improve volumetric efficiency but must allow for thermal expansion and oil viscosity changes. Pumps built from lower-grade materials or with loose tolerances can degrade faster and lose pressure. Inspect specifications for treated surfaces, material grades, and manufacturing tolerances when possible, since these factors influence service life and reliability.
Sealing and Gasket Interfaces
A reliable seal between the pump, housing, and oil pan prevents leaks that reduce system pressure and create mess or component damage. Gasket quality, sealant compatibility, and proper flange design matter for long-term leak resistance. Some pumps use integrated gaskets or machined seals that reduce installation variability, while others require separate gasket kits. Poor sealing can allow air ingress, leading to cavitation and noise. Consider how the component seals in place and whether additional gasket replacement or sealant is recommended during installation.
Compatibility and Fitment with Buick Enclave Components
Correct fitment ensures the pump aligns with oil passages, mounting points, and any internal pickup tube or screen. Pumps designed for the Buick Enclave will match bolt patterns and clearances, avoiding interference with nearby components. Improper fitment can cause installation difficulties, altered oil pickup height, or rubbing against adjacent parts. Verify that the pump is specified for the Enclave's engine code and model year, and check whether any ancillary parts such as pickup tubes or gaskets are required to complete the installation.
Installation Complexity and Serviceability
Some oil pumps require removal of multiple engine covers, the oil pan, or timing components, which increases labor time and potential for error. Pumps that allow simpler access or reuse of existing components can reduce installation time and the chance of mistakes. Consider whether the pump needs special tools, torque specifications, or sequence steps that demand professional service. Also account for future serviceability: pumps that permit straightforward removal and inspection make later maintenance easier and less expensive.
Compatibility with Oil Type and Operating Conditions
Different pumps respond differently to oil viscosity and operating temperature. A pump optimized for thicker oils may maintain pressure better at high temperatures but could cause higher load when cold. Conversely, pumps matched to lower-viscosity modern oils reduce parasitic drag but must still maintain pressure at idle and peak loads. Consider your typical operating conditions such as cold climates, towing, or performance driving and choose a pump whose specifications align with the oil grades and duty cycle you plan to use.
How We Chose the Best Buick Enclave Oil Pump
Our selection focused on components suited to the Buick Enclave powertrain and typical driving demands. We prioritized consistent oil flow and pressure stability, since those directly affect bearing protection and engine longevity. Durability was assessed by construction materials and reported service life expectations, including resistance to wear and tolerance to thermal cycling. Fitment and ease of installation were evaluated to limit installation errors and downtime, including compatibility with factory oil passages and mounting points. We also considered sealing reliability, such as flange and gasket interfaces, to reduce leak risk. Exclusions: we excluded pumps lacking clear fitment data for the Buick Enclave, units with unverified material specifications, and parts intended only for racing applications with unsuitable pressure curves for street driving.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my Buick Enclave oil pump is failing?
Common signs often include fluctuating or low oil pressure on the gauge, unusual engine noise such as whining or knocking, and warning lights. You might notice decreased engine performance or increased wear symptoms. Many indicators depend on related issues too, so use pressure readings and inspection rather than noise alone to assess pump condition.
Can I replace the oil pump myself on a Buick Enclave?
Replacement is possible for experienced DIYers but often involves removing the oil pan, addressing seals, and following torque and alignment procedures. The job can be time consuming and may require specialty tools. If you are unsure, a professional technician can ensure correct installation and prevent leaks or pickup misalignment.
Does the oil pump type affect oil pressure readings?
Yes, pump design and condition influence pressure output and stability. Different internal geometries and tolerances change how pressure responds to engine speed and oil viscosity. Pressure readings can vary between new and worn pumps and among designs, so consider manufacturer specifications and test results when evaluating performance.
What maintenance helps extend oil pump life?
Regular oil and filter changes with the correct oil grade reduce contamination and wear on pump components. Using quality oil and maintaining proper engine cooling helps minimize thermal stress. Periodic inspections of the pickup screen and oil pan for sludge can catch potential problems before they harm the pump.
Will switching to a high pressure oil pump improve engine longevity?
A pump that maintains appropriate pressure can benefit lubrication under stress, but excessively high pressure may strain seals and components. The key is matching pump output to the engine's needs and using compatible oil viscosity. Upgrading should be based on documented requirements rather than assuming higher pressure is always better.
Conclusion
When choosing a Buick Enclave oil pump, prioritize consistent flow and pressure, proper fitment, and durable construction. Balance sealing reliability and installation complexity against the performance benefits you need. Tradeoffs often involve ease of installation versus longevity or specific pressure characteristics. Focus on pumps that match the Enclave's engine specifications and the oil type you use to get dependable lubrication and minimize long-term wear.
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