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GM GENUINE PARTS Products

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GM Genuine Parts 84791853 Engine Oil Cooler Hose

GM GENUINE PARTS
9.6 /10
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Updated: Aug 28, 2026
Last update on Aug 28, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API.
The GM Genuine Parts 84791853 is an authentic OEM replacement engine oil cooler hose engineered to eliminate fluid leaks and restore factory cooling performance. It is the ideal direct-fit solution for GM truck and SUV owners looking to replace aging, dripping oil lines with factory-grade reliability.
Pros & Cons

Pros

  • Guaranteed factory OEM fit eliminates guesswork during installation
  • Reinforced construction effectively stops oil line leaks
  • Compatible with popular GM full-size platform vehicles
  • Maintains proper engine oil circulation and temperature

Cons

  • Installation can be tight and time-consuming depending on engine bay clearance
  • Short 30-day manufacturer warranty period
  • Rubber components will eventually require routine inspection for thermal aging
Detailed Review

The GM Genuine Parts 84791853 Engine Oil Cooler Hose is a genuine OEM replacement designed to restore leak-free oil circulation between your engine and oil cooling system. Tailored specifically for General Motors full-size trucks and SUVs, including the Chevrolet Tahoe and Cadillac Escalade, this hose assembly provides the exact factory geometry required for a dependable repair.

In terms of real-world performance, this replacement hose excels at solving common seepage and dripping issues that plague aging factory lines. The crimped connections and high-grade rubber walling handle high-pressure oil flow with ease, maintaining proper oil viscosity and cooling efficiency under demanding driving conditions.

Built to AC Delco and GM original equipment standards, the hose features a thick 0.1875-inch nominal wall and an outside diameter of 1.5 inches. Its sturdy construction resists softening and degradation caused by extreme heat cycling and under-hood chemical exposure.

While the hose itself fits precisely as intended, installation can require patience due to restricted workspace around steering components and subframes in full-size GM engine bays. Additionally, the manufacturer provides a standard 30-day warranty, which is relatively brief for a vital drivetrain component.

Overall, the GM Genuine Parts 84791853 Engine Oil Cooler Hose is the premier choice for DIY mechanics and professional technicians who refuse to compromise on OEM fitment and reliability. It delivers factory-level peace of mind and keeps your engine running cool without oil loss.

Specifications

Manufacturer: AC Delco / GM Genuine Parts

Part Number: 84791853

Material: Reinforced Rubber and Metal

Nominal Wall Thickness: 0.1875 inches

Outside Diameter: 1.5 inches

Item Weight: 3.1 pounds

Vehicle Application: GM Full-Size SUVs and Trucks