AS-SPEEDFATHER ASF113ED421R19 Aerostar Engine Oil Pump 4.0L M256S

( Brand: As-speedfather ), ( Part Type: Oil Engine Pump ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: ASF113ED421R19 ), ( Item Type: Engine Oil Pump ), ( Kit Parts Included: Oil Pump )

Review AS SPEEDFATHER 4.0l 90-97 Ford Aerostar Engine Oil Pump fits RANGER 1991–2008

The AS-Speedfather ASF113ED421R19 is a high-performance oil pump specifically designed for use with 4.0L Ford Aerostar and Ranger vehicles equipped with the M256S engine, manufactured between the years 1990 and 1997. This oil pump is an excellent replacement option for worn-out or faulty original equipment.

The ASF113ED421R19 is engineered with a robust cast iron housing that provides superior durability and resistance to heat and pressure. Its unique design optimizes oil flow rate and pressure, ensuring a consistent supply of engine oil to critical components for optimal engine performance, longevity, and fuel efficiency.

This oil pump features a precision-machined impeller with a larger diameter compared to the original equipment, which increases the volumetric flow rate and reduces the engine's oil circulation time. The impeller is also made of high-strength material, ensuring superior durability and resistance to wear and tear.

The ASF113ED421R19 comes with a new, high-tensile steel drive gear and a new bearings set, ensuring a smooth and quiet operation. The oil pump also includes a new gasket and seals, making it a complete and easy-to-install solution for your vehicle.

The installation process of the ASF113ED421R19 is straightforward and can typically be completed in a few hours by an experienced DIY mechanic or a professional automotive technician. The oil pump comes with clear and detailed installation instructions, ensuring a hassle-free experience.

In summary, the AS-Speedfather ASF113ED421R19 is a high-performance oil pump designed specifically for Ford Aerostar and Ranger vehicles with the M256S engine. Its robust cast iron housing, increased flow rate, quiet operation, and easy installation make it an excellent choice for those seeking to improve their engine's performance, longevity, and fuel efficiency.

Pros and Cons of buying a ASPA SF113ED421R19 Oil Pump for 4.0L Ford Aerostar and Ranger (1991-2008)

a. Durability: The ASPA SF113ED421R19 oil pump is known for its robust design, which can handle the high demands of the 4.0L Ford engines.

b. Performance: This oil pump ensures an efficient flow of oil to the engine, maintaining optimal performance and reducing the risk of engine damage.

c. OEM Compatibility: This oil pump is an exact replacement for the original OEM part, ensuring a perfect fit and eliminating any potential issues related to compatibility.

a. Cost: Compared to some aftermarket alternatives, the ASPA SF113ED421R19 oil pump may be more expensive.

b. Availability: Depending on your location, it might be challenging to find this specific part in local auto parts stores, requiring you to order it online.

The ASPA SF113ED421R19 oil pump is an excellent choice for those who prioritize durability, performance, and OEM compatibility. Its robust design and efficient oil flow ensure optimal engine performance and reduce the risk of engine damage. However, the relatively high cost and potential availability issues may deter some buyers.

If you are looking for a reliable and efficient oil pump for your 4.0L Ford Aerostar or Ranger, the ASPA SF113ED421R19 is a solid investment. Its durability and performance make it a worthwhile investment, even if it comes with a slightly higher cost and potential availability challenges. It is an excellent choice for those who value the peace of mind that comes with using a high-quality, OEM replacement part.

Details:

New List Item. Item Specifics: Brand As-speedfather, Warranty 1 Year, Manufacturer Part Number ASF113ED421R19, Type Engine Oil Pump, Other M256S-1, EP129A, Kit Parts Included Pump. Package Included: 1x Oil Pump.

part #: asf113ed421r19 prices

• $99.99-$162.19

specifications pumppruner:

• for models: Ranger
• for makes: Ford
• for years: 1991-2008
• brand: As-speedfather
• part type: Oil Engine Pump
• manufacturer warranty: 1 Year
• manufacturer part number: ASF113ED421R19
• item type: Engine Oil Pump
• kit parts included: Oil Pump

shipping pumppruner:

• carrier: FedEx
• transit: 5-10 Days
• clAss: Economy
• type: Fixed
• cost: $0.00
• service: FedEx Ground Economy

payments pumppruner:

• other
• wallet: Apple-pay
• credit card: MAstercard

offer pumppruner:

• availability: In Stock
• best offers: True
• started: January 17, 2026
• sold: 0
• quantity: 20
• options: Ship-to-home

seller pumppruner:

• city: Ontario, California
• # reviews: 21809
• rating: 99.3%

returns pumppruner:

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

general pumppruner:

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

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