7 Best Oil Pumps for Mitsubishi Eclipse: Reliable Engine Lubrication and Pressure

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: March 24, 2026

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Picking the right Mitsubishi Eclipse oil pump matters because the pump is the heart of engine lubrication. A correct pump maintains oil pressure, protects bearings and camshafts, and helps prevent overheating or premature wear. This guide highlights our seven shortlisted oil pumps for the Mitsubishi Eclipse and explains the evaluation criteria we used, including flow performance and build durability. Read on to understand which features matter most and what to check when evaluating options before you move to installation.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
A-Premium Engine Oil Pump with Gasket & O-RingA-Premium Engine Oil Pump with Gasket & O-Ring
Most Popular
A crowd favorite that many people choose with confidence
Evergreen Replacement Oil Pump for 3.0L 6G72 EnginesEvergreen Replacement Oil Pump for 3.0L 6G72 Engines
Best Quality
Built to a higher standard if you want something more solid
ACL Oil Pump OPMB1096 for 4G63T Mitsubishi Eclipse/Galant (89–92)ACL Oil Pump OPMB1096 for 4G63T Mitsubishi Eclipse/Galant (89–92)
Best Budget
The cheapest option that still gets the job done reliably
Garage-Pro Replacement Oil Pump for 2.4L Mitsubishi (4G69)Garage-Pro Replacement Oil Pump for 2.4L Mitsubishi (4G69)
Most Sold
A high-volume bestseller chosen again and again
DNJ OP114 Oil Pump for 1.8L SOHC 4G37 EnginesDNJ OP114 Oil Pump for 1.8L SOHC 4G37 Engines
Best Value for Money
The sweet spot between price and what you get
DNJ OP131 Oil Pump for 1999–2005 Mitsubishi Eclipse 3.0L V6DNJ OP131 Oil Pump for 1999–2005 Mitsubishi Eclipse 3.0L V6
Melling M190 Replacement Oil PumpMelling M190 Replacement Oil Pump

1. A-Premium Engine Oil Pump with Gasket & O-Ring

A-Premium Engine Oil Pump with Gasket & O-Ring
Best Reviewed
A-Premium replacement engine oil pump supplied with gasket and O-ring for direct-fit applications.
ManufacturerPremiumpartsWhosale
BrandA-Premium
Housing MaterialAluminum
Fitment TypeDirect Replacement

This A-Premium oil pump is a direct-replacement unit intended to restore engine oil circulation and pressure on compatible Mitsubishi Eclipse models. It installs in place of the factory pump and comes with a gasket and O-ring to simplify sealing during replacement. The housing is aluminum, which keeps the unit lightweight while providing adequate strength, and the listing indicates it is sold new and packaged in a box. In everyday use the pump’s role is to maintain oil flow to bearings and other internal parts so the engine stays lubricated and cooled. Practical benefits include the included sealing parts that reduce the need to source additional gaskets and a stated direct-replacement fitment that speeds installation. Limitations to consider are that fitment must be verified for the exact Eclipse year and engine variant before purchase and that aftermarket pumps can vary in long-term durability compared with factory-quality units.

Best for: Reliability-focused owners seeking a direct-replacement oil pump to restore proper oil circulation on their Mitsubishi Eclipse and who prioritize repairing wear-related lubrication issues over cosmetic or performance upgrades.

Less Ideal for: Drivers looking for a high-performance or upgraded oiling solution for racing or modified engines should consider performance-specific pumps instead.

Pros:
  • Includes gasket and O-ring so you can replace the pump without sourcing extra seals
  • Aluminum housing offers a balance of strength and reduced mass
  • Sold new and packaged for direct replacement to simplify installation
Cons:
  • Fitment varies by year and engine sub‑model so you must confirm compatibility before ordering
  • Aftermarket part longevity may differ from factory-quality pumps

Verdict A practical, direct-replacement pump with included seals aimed at restoring reliable oil circulation on compatible Mitsubishi Eclipse models, provided you confirm exact fitment.

2. Evergreen Replacement Oil Pump for 3.0L 6G72 Engines

Evergreen Replacement Oil Pump for 3.0L 6G72 Engines
A direct-fit replacement oil pump for 3.0L 6G72 V6 engines designed to restore oil pressure and lubrication in compatible Mitsubishi, Dodge, and Chrysler vehicles.
Fits Engines3.0L 6G72 V6 SOHC
Applications1999-2005 Mitsubishi Eclipse/Galant; 2000-2005 Dodge Stratus; 2001-2005 Chrysler Sebring
ManufacturerEvergreen Parts And Components
Manufacturer Part NumberOP5030

This Evergreen replacement oil pump is a factory-replacement style unit engineered for 3.0L 6G72 V6 SOHC engines used on select Mitsubishi Eclipse, Galant, Dodge Stratus, and Chrysler Sebring models. It installs where the original pump sat and is intended to restore correct oil pressure and circulate lubricant to the engine’s critical bearings and valvetrain. The pump uses aluminum die-cast construction to reduce mass and follows a conventional gear/gerotor design Evergreen highlights for durability. In real-world use it suits routine repairs and engine rebuilds where a like-for-like replacement is needed to get a car back on the road. The practical benefits are straightforward: maintains oil pressure to protect engine components and fits directly to the listed applications. Limitations include the general caveats of aftermarket pumps: long-term durability can vary by driving conditions and installation quality, and buyers should confirm exact engine and VIN fitment before purchase to avoid compatibility issues.

Best for: Convenience-driven buyers who need a straightforward, drop-in replacement to return a 3.0L Eclipse or compatible vehicle to serviceable condition with minimal fuss.

Less Ideal for: Drivers seeking high-performance or race-spec oil delivery upgrades or those wanting extended warranties and OEM-branded parts should consider other options.

Pros:
  • Direct-fit replacement for 3.0L 6G72 V6 engines for listed model years
  • Aluminum die-cast construction reduces weight compared with heavier cast units
  • Restores oil pressure and lubrication to critical engine components
  • Sold as a complete pump ready for installation
Cons:
  • Aftermarket longevity may vary compared with factory and high-end performance pumps
  • Compatibility limited to specific engine codes and model years so VIN confirmation is required

Verdict A convenient, direct-fit replacement oil pump for 3.0L 6G72 engines that restores oil pressure without complicated modifications.

3. ACL Oil Pump OPMB1096 for 4G63T Mitsubishi Eclipse/Galant (89–92)

ACL Oil Pump OPMB1096 for 4G63T Mitsubishi Eclipse/Galant (89–92)
Best Quality
A new ACL stock-replacement oil pump engineered to match factory flow and fitment for turbo 4G63 engines used in 1989–1992 Mitsubishi Eclipse and Galant models.
BrandACL
Manufacturer Part NumberOPMB1096
Compatible Engine4G63 turbo 1989–1992 Eclipse/Galant

This ACL OPMB1096 oil pump is a direct-fit replacement designed for turbo 4G63 Mitsubishi engines from 1989–1992, delivering factory-quality flow and function. It is installed in place of the original pump and used to restore proper oil pressure and lubrication to the block, turbos, and valvetrain. The listing specifies ACL built the pump to match OEM design, engineering, and materials so you get comparable flow performance and compatibility with stock components. For a performance-oriented owner this means reliable oil delivery under boosted conditions without needing custom modifications. The practical benefits are straightforward: straightforward installation to the existing pump location, expected OEM-equivalent flow, and a brand-new unit that removes concerns about wear in an aging engine. Limitations are that this is a stock-replacement part rather than an uprated or high-volume performance pump, so it will not increase pressure or flow beyond factory targets for heavily modified engines.

Best for: Performance-oriented owners focused on maintaining reliable, factory-spec oil delivery in a 1989–1992 Mitsubishi Eclipse or Galant turbo engine and who prioritize durability and correct flow characteristics.

Less Ideal for: Drivers planning big-power builds who need increased oil flow or pressure should consider purpose-built high-volume pumps instead.

Pros:
  • Direct-fit replacement for 4G63 turbo engines from 1989–1992 ensuring straightforward installation
  • Manufactured to match OEM design and flow characteristics for reliable lubrication
  • Brand-new unit eliminates wear-related failures common in older pumps
Cons:
  • Not a high-volume or performance-upgraded pump for significantly modified or increased-flow engines

Verdict A factory-equivalent replacement oil pump ideal for restoring correct oil flow on 4G63 turbo Mitsubishis but not intended as a performance-upgrade pump.

4. Garage-Pro Replacement Oil Pump for 2.4L Mitsubishi (4G69)

Garage-Pro Replacement Oil Pump for 2.4L Mitsubishi (4G69)
Best Budget
A direct-fit aftermarket oil pump designed to replace the factory unit on 2.4L Mitsubishi 4G69 engines used in Eclipse, Galant, Lancer, and Outlander models.
Engine designation4G69 2.4L
Interchange part numberOP162
Fitment yearsEclipse 2006-2012; Galant 2004-2012; Lancer 2004-2006; Outlander 2004-2006

This Garage-Pro oil pump is a budget-focused, direct-fit replacement for Mitsubishi 2.4L 4G69 engines. It installs in place of the factory pump to restore oil circulation and maintain engine lubrication after the original unit wears or fails. The listing highlights compatible models including Eclipse, Galant, Lancer, and Outlander and calls out the OP162 interchange number to simplify matching. For routine repairs it offers a straightforward swap without modification, making it suitable for DIY mechanics and shops handling older Mitsubishis. The product is marketed as factory-quality replacement with a one-year unlimited mileage warranty, which adds short-term reassurance. Expect the usual compromises of value aftermarket parts: fit and long-term durability can vary compared with higher-end branded remanufactured pumps, so careful inspection at installation and monitoring after break-in are advisable. Performance should meet factory service needs but buyers seeking extended life or OEM-level assurance may prefer more expensive alternatives.

Best for: Budget-conscious owners or independent technicians who prioritize low-cost, direct-fit replacements to get older Mitsubishi Eclipse vehicles back on the road quickly.

Less Ideal for: Drivers seeking the longest-term durability or exact factory assurance for high-mileage or performance-driven engines should consider higher-tier remanufactured or OEM options.

Pros:
  • Direct-fit replacement for Mitsubishi 2.4L 4G69 engine applications makes matching and installation straightforward
  • Covers common GCC models (Eclipse, Galant, Lancer, Outlander) so one part fits multiple vehicle service needs
  • Offered with a one-year unlimited mileage warranty for short-term peace of mind
  • Marketed to meet ISO/TS production standards and direct-sourced from supplier factories, indicating basic quality controls
Cons:
  • Aftermarket value positioning means long-term durability may not match higher-end or factory replacement pumps
  • Limited public feedback and low visible sales rank reduce independent verification of real-world reliability

Verdict A cost-focused, direct-fit replacement that restores oil circulation on 2.4L Mitsubishi engines at a budget price while sacrificing some long-term assurance.

5. DNJ OP114 Oil Pump for 1.8L SOHC 4G37 Engines

DNJ OP114 Oil Pump for 1.8L SOHC 4G37 Engines
Most Sold
A vehicle-specific replacement oil pump from DNJ designed for 1.8L SOHC 4G37 engines used in early 1990s Eclipse/Talon/Laser models.
Fit TypeVehicle Specific Fit
Operation ModeMechanical
Specification MetOE
ManufacturerDNJ ENGINE COMPONENTS

This DNJ OP114 is a direct-fit replacement oil pump intended for 1990–1994 Mitsubishi/Eagle/Plymouth 1.8L SOHC (4G37) engines. It pumps engine oil through galleries and bearings to restore proper lubrication and pressure after a failing or worn pump. Typical use is as a like-for-like service part during engine rebuilds or when low oil pressure or ticking indicates pump wear. The listing emphasizes mechanical operation and factory-quality specification matching, and DNJ positions the part as a durable option built to withstand normal engine temperatures and pressures. Benefits in real-world use include restoring oil pressure quickly at idle and under load, reducing risk of bearing damage, and supporting engine longevity. Limitations are that this is a vehicle-specific factory-replacement style part so it does not upgrade flow beyond factory design and fitment must match the 4G37 application exactly; professional installation or familiarity with timing/sump removal is recommended for correct alignment and gasket sealing.

Best for: Risk-averse mainstream buyers who prioritize a reliable factory-quality replacement to restore safe engine lubrication and avoid further engine damage.

Less Ideal for: Enthusiasts seeking increased oil flow or performance upgrades or anyone needing a universal or multi-vehicle pump; performance applications should consider aftermarket high-flow units.

Pros:
  • Vehicle-specific fit for 1990–1994 1.8L SOHC 4G37 engines simplifies installation.
  • Meets factory-specification performance to restore correct oil pressure and lubrication.
  • Manufactured by an established engine-parts supplier with a long track record.
  • Mechanical design suited to standard engine operating conditions
Cons:
  • Does not increase oil flow or pressure beyond factory design for performance builds.
  • Requires proper installation and timing cover/sump work which may need professional service.

Verdict A straightforward, factory-spec replacement oil pump for 1.8L 4G37 Mitsubishi-era engines that restores proper lubrication without offering performance upgrades.

6. DNJ OP131 Oil Pump for 1999–2005 Mitsubishi Eclipse 3.0L V6

DNJ OP131 Oil Pump for 1999–2005 Mitsubishi Eclipse 3.0L V6
Best Value for Money
A vehicle-specific replacement oil pump designed to restore proper oil circulation for 1999–2005 Mitsubishi Eclipse 3.0L V6 engines.
Fit1999–2005 Mitsubishi Eclipse 3.0L V6 24V SOHC
BrandDNJ
ModelOP131

The DNJ OP131 is a direct-fit replacement oil pump made for the 3.0L V6 Mitsubishi Eclipse (1999–2005). It replaces the factory pump to restore consistent oil pressure and circulation, which helps lubricate bearings, camshafts, and other critical moving parts. Installation is typical for engine oil-pump swaps and is generally done when diagnosing low oil pressure, after pump failure, or during engine overhaul. The listing emphasizes robust construction and efficient lubrication to reduce friction and heat, which can improve engine longevity and responsiveness when installed correctly. Because it is a vehicle-specific part from a long-established engine parts supplier, fitment and alignment are intended to match the factory unit for straightforward replacement. Limitations to consider are that installation requires access under the engine and basic engine assembly skills or a mechanic, and the part listing does not include an explicit warranty or test data for long-term wear and flow rates, so longevity depends on proper installation and maintenance.

Best for: Practical optimizers looking to restore proper oil pressure on a 1999–2005 Mitsubishi Eclipse 3.0L V6 without overspending, prioritizing reliable, vehicle-specific replacement parts.

Less Ideal for: Not a fit for buyers seeking performance-upgrade pumps with documented flow or pressure improvements or for those who want a fully documented testing pedigree included with the part.

Pros:
  • Vehicle-specific fit for 1999–2005 Mitsubishi Eclipse 3.0L V6, simplifying replacement.
  • Engineered for consistent oil circulation to support lubrication of critical components.
  • From a known engine-parts supplier with a history in domestic and Japanese applications, aiding parts compatibility.
Cons:
  • No explicit published flow-rate or longevity test data included with the listing.
  • Requires moderate mechanical skill or professional installation due to engine access needs.

Verdict A budget-conscious, vehicle-specific replacement that restores oil circulation on Mitsubishi Eclipse 3.0L V6 engines but relies on proper installation and regular maintenance for long-term reliability.

7. Melling M190 Replacement Oil Pump

Melling M190 Replacement Oil Pump
Best Overall
A factory-quality replacement oil pump designed to restore engine oil pressure and flow for compatible Mitsubishi Eclipse engines.
BrandMelling
Manufacturer Part NumberM190
Fit typeVehicle Specific
Country of OriginUnited States

The Melling M190 is a direct-fit replacement oil pump intended for use during engine rebuilds or when the factory pump fails. It installs where the original pump sat and restores oil pressure and flow to the engine lubrication system, helping protect bearings and valvetrain components. The pump is manufactured to match factory dimensions and mounting points so installation is straightforward for a mechanic working on an Eclipse. Buyers will appreciate the solid build and consistent internal clearances that support reliable pressure under normal driving and spirited use. The main limitation is that this is a like-for-like replacement rather than a high-performance or upgraded unit, so it will not increase flow or pressure beyond factory-spec; drivers seeking increased capacity for high-boost or racing applications should consider a performance pump instead. Expect routine installation procedures and the usual need to prime the system and verify pressure after fitting.

Best for: Balanced buyers looking for a reliable, direct-replacement part to return a Mitsubishi Eclipse engine to factory lubrication performance without aftermarket modifications.

Less Ideal for: Drivers building high-boost or race engines who need increased oil flow or pressure should choose a performance-oriented pump instead.

Pros:
  • Factory-quality fit and mounting for straightforward installation on the specified vehicle.
  • Built to restore correct oil pressure and flow to protect engine bearings and valvetrain.
  • Reputable manufacturer with a long history in replacement engine components.
Cons:
  • Not a performance-upgraded pump so it does not increase flow or pressure beyond factory levels.
  • Limited to replacing failed or worn pumps rather than addressing high-performance lubrication needs.

Verdict A dependable, factory-style replacement oil pump that restores proper lubrication for a Mitsubishi Eclipse but does not boost performance.

Choosing the Right Mitsubishi Eclipse Oil Pump: Key Factors to Consider

Flow Rate and Pressure Output

Flow rate and pressure output determine how much oil the pump supplies across engine speeds and how well it maintains critical lubrication. A pump with adequate flow prevents oil starvation at high RPM and ensures stable hydraulic function for timing components.

Examine rated output at common idle and high RPM ranges to match the engine's needs. Pumps that maintain pressure without excessive parasitic drag help preserve fuel efficiency and reduce thermal stress on the drive system.

Material and Build Quality

Construction materials and machining accuracy affect longevity and wear patterns. Stronger alloys and precise internal clearances reduce the risk of premature wear, scuffing, and internal leakage that can lower pressure.

Look for pumps with hardened gears or rotors and tight tolerances in the housing. Better build quality also typically improves resistance to debris-related damage and extends service intervals.

Seal Integrity and Gasket Design

Effective sealing prevents external leaks and maintains internal pressure. The design and material of gaskets and seals influence both immediate fitment and longer-term resistance to oil degradation and heat.

Consider gasket thickness, sealing surface finish, and compatibility with modern oil formulations. A robust gasket seal reduces the chance of oil loss and contamination entering the pump housing.

Compatibility and Fitment

Proper fitment minimizes installation time and avoids modifications that can introduce failure points. A pump that matches the Mitsubishi Eclipse's mounting, drive interface, and pickup location ensures correct oil pickup and clearance to the pan.

Check for correct drive shaft engagement, thread sizes, and whether any auxiliary brackets are required. Pumps designed for direct replacement simplify installation and reduce the risk of alignment-induced wear.

Durability Under Thermal and Mechanical Stress

Oil pumps operate in a thermally stressful environment and must tolerate repeated heat cycles and mechanical loads. Durability considerations include resistance to scuffing, dimensional stability at elevated temperature, and tolerance to transient cavitation.

Pumps that maintain performance after repeated thermal cycling help protect engine internals and reduce the chance of sudden pressure loss during extended or spirited driving.

Serviceability and Installation Complexity

Ease of service affects labor time and the likelihood of correct installation. Simpler designs with clear installation instructions, accessible fasteners, and minimal special tools reduce potential for user error.

Consider whether the unit requires additional components like new gaskets, alignment dowels, or specialized seals. Lower installation complexity also helps ensure consistent torqueing and correct clearance settings.

FAQ

How can I tell if my Mitsubishi Eclipse oil pump is failing?

Common signs often include a drop in oil pressure indicated by a gauge or warning light, unusual engine noise that may suggest inadequate lubrication, and, in some cases, raised engine temperatures. Some symptoms overlap with other oil system issues, so verify oil level and filter condition first before diagnosing the pump itself.

Is it necessary to replace the oil pump when doing major engine work?

It is often recommended to inspect the pump during major engine service, especially if the engine has high mileage. If there are signs of wear, metal debris, or compromised seals, replacing or rebuilding the pump can be a prudent preventive step to protect newly serviced components.

What should I consider about seals and gaskets during an engine oil pump replacement?

Ensure replacement gaskets and seals are compatible with your engine oil type and the pump housing surface. Proper gasket thickness and correct torque on fasteners are important to prevent leaks and maintain internal pressure. Using fresh, quality seals reduces the risk of future oil seepage.

Can installation errors cause oil pump problems?

Yes. Misalignment of the drive interface, incorrect clearances, or improper sealing can lead to reduced flow, noise, or premature failure. Following the vehicle-specific installation steps and torque specifications helps avoid these common issues.

Are high pressure pumps necessary for street-driven Mitsubishi Eclipse engines?

High pressure pumps are usually reserved for modified or racing applications where higher flow and pressure are required. For typical street use, a pump that matches the factory flow and pressure profile typically offers the best balance of lubrication and longevity.

How We Chose the Best Mitsubishi Eclipse Oil Pump

We focused on components designed to deliver consistent oil flow and pressure under typical driving loads for the Mitsubishi Eclipse. Our primary evaluation criteria were measured and rated flow capacity at relevant engine speeds, mechanical build quality including materials and machining tolerances, and sealing performance to limit leakage. We also considered compatibility with common engine oil viscosities, resistance to cavitation under normal operating conditions, and ease of installation relative to the vehicle's service access. We excluded units intended for heavy racing modifications, bespoke engine builds, or pumps that require extensive engine case modification. Units with unclear manufacturing specs or limited documentation on performance were not included. The final list favors pumps that balance reliable pressure, long-term durability, and straightforward fitment for the Eclipse platform.

Our full evaluation process is outlined in our review methodology.

Conclusion

Choose a pump that matches the flow and pressure needs of your Mitsubishi Eclipse while prioritizing durable materials and reliable sealing. Pay attention to fitment details and installation complexity to avoid alignment or leak issues. Balance the desire for higher flow against the practical needs of your engine. Proper selection and correct installation will protect moving parts and help maintain consistent oil pressure over time.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.