PUMP17890501S PUMPMART Posi Unit Spline Slip Locker Rear Gmc

Review PUMPMART For Gmc Chevy 8.2 Inch Posi Unit Spline 10-bolt Limited-slip Locker Rear for GMC CHEVY 2028

Introducing the Pumpmaster Pump17890501S, a high-performance rear axle pump specifically designed for GMC and Chevy 8.2 Posi Unit 28 spline 10-bolt limited-slip locker rear differentials. This pump is a must-have for those seeking to enhance the cooling system of their vehicle for improved durability and reliability.

The Pumpmaster Pump17890501S is engineered to deliver superior flow rates and pressure capabilities. It boasts a robust cast aluminum housing, ensuring longevity and resistance to corrosion. The pump features a large capacity impeller that efficiently moves coolant through the system, ensuring optimal differential temperatures, even during the most demanding driving conditions.

This pump is designed to meet or exceed OEM specifications, ensuring a perfect fit and seamless integration with your vehicle's cooling system. It also comes with a high-quality, remanufactured 1320 series clutch, which provides reliable engagement and disengagement of the pump.

The Pumpmaster Pump17890501S is compatible with various differential fluid types, including synthetic and conventional fluids. It also comes with a new, high-quality, O-ring kit, ensuring a leak-free installation.

Installing this pump is a breeze, thanks to its user-friendly design. It comes with all necessary hardware, including a new, high-quality, stainless steel mounting bracket, making installation a straightforward process. Additionally, it is backed by Pumpmaster's industry-leading 2-year, unlimited mileage warranty, providing peace of mind and protection against any manufacturing defects.

In summary, the Pumpmaster Pump17890501S is a top-tier rear axle pump specifically designed for GMC and Chevy 8.2 Posi Unit 28 spline 10-bolt limited-slip locker rear differentials. It delivers superior flow rates and pressure capabilities, is easy to install, and is backed by a robust warranty. Upgrade your vehicle's cooling system today and enjoy improved performance, reliability, and durability with the Pumpmaster Pump17890501S.

The GMC/Chevy 8.2 Posi Unit 28 spline 10-bolt limited-slip locker rear differential, specifically the Pumpmaster Pump17890501S, is a popular choice among off-road enthusiasts and performance upgraders for their vehicles. Here are some pros and cons of buying this pump for this differential:

1. Durability: The Pumpmaster Pump17890501S is known for its robustness and durability. It is designed to handle high-performance applications and rough terrain.

2. Efficiency: This pump is more efficient than the original equipment manufacturer (OEM) pump. It can move more coolant at lower engine RPMs, which can help prevent overheating.

3. Compatibility: This pump is compatible with a wide range of applications, including the GMC/Chevy 8.2 Posi Unit 28 spline 10-bolt limited-slip locker rear differential.

4. Upgrade potential: Installing this pump is an excellent opportunity to upgrade the cooling system of your vehicle. It can help improve the overall performance and longevity of your differential.

1. Cost: The Pumpmaster Pump17890501S is more expensive than the OEM pump. However, the cost may be offset by the potential performance gains and durability.

2. Installation: Installing this pump may require some mechanical knowledge and skills. It may also involve additional modifications to the cooling system.

3. Size: This pump is larger than the OEM pump. It may require some modifications to the cooling system to accommodate it.

In conclusion, the Pumpmaster Pump17890501S is an excellent choice for those who want to upgrade the cooling system of their GMC/Chevy 8.2 Posi Unit 28 spline 10-bolt limited-slip locker rear differential. It offers increased durability, efficiency, and compatibility. However, it comes with a higher cost and potential installation challenges. Ultimately, the decision to purchase this pump depends on your budget, mechanical skills, and performance goals.

If you are looking for a robust and efficient cooling solution for your GMC/Chevy 8.2 Posi Unit 28 spline 10-bolt limited-slip locker rear differential, the Pumpmaster Pump17890501S is a great choice. However, it is essential to consider the installation challenges and costs before making a purchase. If you are not confident in your mechanical skills or have a limited budget, you may want to consider other options or seek the help of a professional.

Details:

Newly listed. 4.quality assured - vehicle-specific application has been validation tested to ensure quality. 1.direct replacement - this transfer case motor fits and performs like the original 2.durable construction made with factory-style electrical connector weather tight seal to prevent corrosion 3.100% new is entirely new, not a remanufactured part. Transfer case stopped shifting between high and low ranges.

Swap out a seized transfer case motor with this direct replacement. Designed to install and perform like the original motor, it uses a factory-style connector is sealed for protection. Boxes, APO/FPO or military mail box. For Gmc Chevy 8.2 posi unit 28 spline 10-bolt limited-slip locker rear feature.

specifications differentialsdepo:

• for makes: Gmc, Chevy
• for years: 2028
• brand: Pumpmart
• mpn: Pump17890501s
• manufacturer warranty: 3 Years
• fitment type: Direct Replacement
• shipped country: Us
• custom bundle: No
• bundle description: 1x Limited-slip Posi Differential
• material: Metal
• axle nut thread diameter: 1.20 Inch
• applicable regions: Interior
• package type: Box
• return policy: 30 Days Free Return
• oe/oem part number: 19603-010, 19603010
• specification: Fits All Chevy Gm 8.2 Models
• type: Limited-slip Locker
• placement on vehicle: Rear
• gear ratio: 3.08 Higher, 3.55, 3.73, 4.11, 4.56, Etc
• vintage part: Yes

offer differentialsdepo:

• sold #: 16
• options: ship-to-home
• started: january 7, 2026
• availability: in stock
• quantity: 10
• best offers: true

payments differentialsdepo:

• other
• wallet: paypal
• credit card: diners-club

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

shipping differentialsdepo:

• class: economy
• service: fedex ground economy
• type: fixed
• transit: 3-7 days
• carrier: fedex

returns differentialsdepo:

• time: 30 days
• policy: returns accepted
• paid by: seller

seller differentialsdepo:

• # reviews: 627
• rating: 99.0%
• city: ontario, california