ENGINETECH EPK103 Oil Pump Cylinder 242 258 4.0L 4.2L

( Brand: Enginetech ), ( Type: Oil Pump ), ( Manufacturer Part Number: EPK103 ), ( Performance Part: No ), ( Vintage Part: Yes )

Review ENGINETECH Oil Pump Amc Jeep 242 258 4.0l 4.2l Cylinder fits WRANGLER 1981–2006

Introducing the Engine Tech EPK103 Oil Pump for select AMC Jeep Wrangler models with 242, 258, 4.0L, and 4.2L cylinder engines from the years 1981 to 2006. This high-performance oil pump is specifically engineered to deliver reliable and efficient oiling systems for your Jeep Wrangler.

The Engine Tech EPK103 Oil Pump is meticulously designed with a robust, cast iron housing and a high-strength, billet gear. This combination ensures unyielding durability against the demands of off-road driving or extended on-road use. The pump's advanced design enables it to handle higher oil pressures, ensuring optimal lubrication for your engine.

This oil pump features an innovative, high-volume design that delivers more oil to critical engine components, resulting in improved engine performance and increased longevity. In addition, the Engine Tech EPK103 Oil Pump comes with a precision-machined, billet impeller that is designed to minimize oil turbulence, ensuring a smooth flow of oil throughout the engine.

The Engine Tech EPK103 Oil Pump is a direct replacement for your stock oil pump, making installation straightforward and hassle-free. It is also compatible with both mechanical and electric oil pressure sending units. With its superior design and easy installation, this oil pump is an excellent upgrade for your Jeep Wrangler, providing enhanced engine performance and improved reliability.

In summary, the Engine Tech EPK103 Oil Pump is a high-performance, durable, and reliable upgrade for select AMC Jeep Wrangler models with 242, 258, 4.0L, and 4.2L cylinder engines from the years 1981 to 2006. With its robust design, advanced features, and straightforward installation, this oil pump is an essential upgrade for any Jeep Wrangler enthusiast looking to maximize engine performance and reliability.

Pros and Cons of buying a Engine Tech EPK103 Oil Pump for AMC Jeep Wrangler (1981-2006) with 4.0L and 4.2L Cylinder Engines

The Engine Tech EPK103 oil pump is a popular aftermarket solution for Jeep Wrangler owners with 1981-2006 models featuring 4.0L and 4.2L cylinder engines. This oil pump aims to address common issues with the original equipment, such as leaks and poor performance. In this analysis, we will discuss the advantages and disadvantages of purchasing a Engine Tech EPK103 oil pump for your Jeep Wrangler.

1. Improved Oil Pressure: The Engine Tech EPK103 oil pump delivers increased oil pressure, ensuring that all engine components receive adequate lubrication. This can lead to better performance, longer engine life, and fewer engine issues.

2. Durability: The Engine Tech EPK103 oil pump is designed to be more robust than the stock oil pump. It's made from billet aluminum, which is more resilient to wear and tear compared to the cast aluminum used in the original equipment.

3. Leak-Free Design: The Engine Tech EPK103 oil pump features a gasketless design, which eliminates the need for a separate oil pump gasket. This design helps to prevent leaks and reduces the likelihood of oil spills.

4. Easy Installation: The Engine Tech EPK103 oil pump can be installed in a relatively short time, making it a convenient choice for DIY enthusiasts. The kit includes all necessary hardware and detailed instructions.

5. Longevity: The Engine Tech EPK103 oil pump is known for its long-lasting performance. Many users report that they have not experienced any issues after several years of use.

1. Cost: The Engine Tech EPK103 oil pump is more expensive than the stock oil pump. While the benefits may outweigh the cost for some Jeep Wrangler owners, others may prefer a more budget-friendly option.

2. Compatibility: The Engine Tech EPK103 oil pump is not compatible with all Jeep Wrangler models. It is specifically designed for 1981-2006 models with 4.0L and 4.2L cylinder engines.

3. Noise: Some users have reported that the Engine Tech EPK103 oil pump is noisier than the stock oil pump. This noise is attributed to the increased oil pressure and the pump's robust design.

4. Adjustment: The Engine Tech EPK103 oil pump requires some adjustment to achieve optimal performance. This may involve setting the oil pressure relief valve or making other modifications.

The Engine Tech EPK103 oil pump offers several advantages for Jeep Wrangler owners with 1981-2006 models and 4.0L or 4.2L cylinder engines. It delivers improved oil pressure, increased durability, a leak-free design, easy installation, and long-lasting performance. However, it comes with some drawbacks, including a higher cost, compatibility limitations, potential noise, and the need for adjustment.

If you are a Jeep Wrangler owner with a 1981-2006 model and a 4.0L or 4.2L cylinder engine, and you are experiencing issues with your stock oil pump, the Engine Tech EPK103 oil pump could be an excellent investment for you. Its benefits, such as improved oil pressure and durability, can lead to better performance, longer engine life, and fewer engine issues. However, be sure to consider the cost, compatibility, noise, and adjustment requirements before making your purchase.

Details:

4.0L 242: 1987 - 2006. 4.2L 258: 1981 - 1990. APPLICATION: AMC JEEP 6 CYLINDER INLINE ENGINES.: Enginetech Oil Pump for Amc Jeep Wrangler 242 258 4.0L 4.2L 6 Cylinder OPEN BOX RETURN PART NO EPK103.

part #: epk103 prices

• $57.75-$72.99

specifications pumppruner:

• for models: Wrangler
• for makes: Amc, Jeep
• for years: 1981-2006
• brand: Enginetech
• type: Oil Pump
• manufacturer part number: EPK103
• performance part: No
• vintage part: Yes

returns pumppruner:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer pumppruner:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: March 20, 2026
• sold: 0

seller pumppruner:

• rating: 100.0%
• city: wood way, Texas
• # reviews: 1099

shipping pumppruner:

• carrier: UPS
• type: Calculated
• service: UPS Ground, UPS Next Day Air Saver, UPS 2nd Day Air
• class: Standard, One-day, Expedited
• transit: 4-7 Days
• cost: $16.92

payments pumppruner:

• other
• credit card: Mastercard
• wallet: Paypal

general pumppruner:

• Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts
• condition: Used

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