OSIAS 19121626 Acdelco Fuel Pump MU1089 25345026

( Brand: Osias ), ( Country Of Origin: United States ), ( Manufacturer Part Number: 19121626 25176865 25348344 19153711 25345026 ), ( Ipn: Mu1089 ), ( Type: Electrical ), ( Surface Finish: Brand New ), ( Manufacturer Warranty: Lifetime ), ( Fitment Type: Direct Replacement ), ( Mounting Hardware Included: Yes ), ( Pressure: 110 130 ), ( Flow Rate: 50 60 )

Review OSIAS Acdelco Fuel Pump Assy Chevrolet Gmc fits SILVERADO SIERRA 1500 2500 1999–2004

Introducing the OSASIS Mu1089 ACDelco Fuel Pump, an exceptional replacement solution for your 1999-2004 Chevrolet Silverado and GMC Sierra 1500 and 2500 models. This fuel pump is a direct-fit, ensuring a seamless installation process.

The Mu1089 is a heavy-duty, electric in-tank fuel pump. It is engineered to deliver superior performance and reliability, making it an excellent choice for your vehicle. This fuel pump features a robust design, with a durable cast aluminum housing and a high-strength impeller.

The Mu1089 is capable of supplying your engine with an ample fuel supply, ensuring optimal performance under various driving conditions. It operates quietly and efficiently, with a low resistance design that minimizes power loss and improves fuel economy.

This fuel pump is OE-certified, which means it meets or exceeds the original equipment manufacturer's specifications. It is also backed by a comprehensive warranty, providing you with peace of mind and protection against manufacturing defects.

Installing the Mu1089 is a straightforward process. It comes complete with all necessary hardware, including mounting brackets, gaskets, and seals. The pump also includes a fuel filter, which helps to keep your fuel system clean and free from contaminants.

In summary, the OSASIS Mu1089 ACDelco Fuel Pump is a top-quality replacement for your 1999-2004 Chevrolet Silverado and GMC Sierra 1500 and 2500 models. It offers superior performance, durability, and reliability, making it the perfect choice for keeping your vehicle running at its best.

The Osasis Mu1089 fuel pump is a popular aftermarket option for 99-04 Chevrolet Silverado and GMC Sierra 1500 and 2500 models. Here are some pros and cons of purchasing this fuel pump:

1. High Performance: The Osasis Mu1089 fuel pump is known for its high performance. It delivers more fuel to the engine than the original equipment, which can lead to improved acceleration and better fuel economy.

2. Durability: The fuel pump housing is made of cast aluminum, which is stronger than the plastic housing found in the original equipment. This makes the Osasis Mu1089 fuel pump more durable and less prone to failure.

3. Easy Installation: The fuel pump comes with all the necessary hardware for installation, making it a relatively easy do-it-yourself project for those with some automotive experience.

4. Quiet Operation: The Osasis Mu1089 fuel pump operates more quietly than the original equipment, which can be a significant improvement for those who have grown accustomed to the noise of their old fuel pump.

1. Cost: The Osasis Mu1089 fuel pump is more expensive than the original equipment fuel pump. However, the increased performance and durability may justify the additional cost for some consumers.

2. Potential Compatibility Issues: Some users have reported compatibility issues with the Osasis Mu1089 fuel pump. It is important to ensure that the fuel pump is compatible with your specific vehicle model and year before making a purchase.

3. Requires Professional Installation: While the Osasis Mu1089 fuel pump can be installed as a do-it-yourself project, it may be better to have it installed by a professional to ensure proper functioning and avoid any potential issues.

The Osasis Mu1089 fuel pump offers significant improvements in performance and durability compared to the original equipment. However, it comes with a higher price tag and potential compatibility issues. Ultimately, the decision to purchase this fuel pump depends on your specific needs and budget.

If you are looking for improved fuel efficiency and engine performance, the Osasis Mu1089 fuel pump is a solid investment. However, it is important to ensure compatibility with your specific vehicle model and year and consider having it installed by a professional to ensure proper functioning.

Details:

Lifetime Warranty. ACDELCO MU1089 AUTOZONE/DENSO 9535103. Quality Warranty. ACDELCO MU1370 BOSCH 67305.

ACDELCO Fuel Pump Assay For 99-04 Chevrolet Silverado GMC Sierra 1500 2500. ACDELCO MU1207.

specifications pumpunite:

• for models: 1500, 2500, Silverado, Sierra
• for makes: Chevrolet, Gmc
• for years: 1999-2004
• brand: Osias
• country of origin: United States
• manufacturer part number: 19121626 25176865 25348344 19153711 25345026
• interchange part number: MU1089
• type: Electrical
• surface finish: Brand New
• manufacturer warranty: Lifetime
• fitment type: Direct Replacement
• mounting hardware included: Yes
• pressure: 110 130
• flow rate: 50 60

general pumpunite:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units
• condition: New

offer pumpunite:

• sold: 0
• best offers: True
• started: December 30, 2025
• options: Ship-to-home
• availability: In Stock

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shipping pumpunite:

• type: Fixed
• cost: $0.00
• transit: 4-9 Days
• service: Standard
• class: Standard

returns pumpunite:

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

seller pumpunite:

• # reviews: 581
• city: Walton, Kentucky
• rating: 99.1%

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