GM Transmission Seal Nitrile Rubber O‑Ring Black

Description

Product Overview

The GM Genuine Parts transmission seal is a black nitrile rubber O‑ring crafted to meet General Motors OE standards. Made from high‑grade nitrile rubber, it offers excellent resistance to oil, fuel, and temperature extremes. The machined exterior surface guarantees a precise fit on the 26001594 model, matching the original part number and dimensions (1.2 x 1.2 x 0.2 inches, 0.352 oz). This seal is engineered for durability and consistent performance in demanding transmission environments.

Usage

Designed for GM vehicles—including Chevrolet, Buick, GMC, and Cadillac—this seal fits directly into the transmission housing without modification. It is ideal for routine maintenance, transmission rebuilds, or replacing a worn seal to prevent fluid leaks. Suitable for both professional mechanics and DIY enthusiasts seeking a reliable OEM‑grade component.

Why Choose Us

GM Genuine Parts are backed by General Motors engineering, ensuring each seal meets strict durability and fit criteria. Our seals undergo rigorous testing for pressure resistance and material integrity, providing confidence that the part will perform like the original. With a proven track record in the automotive replacement market, we deliver OEM quality at a competitive price.

Key Features

• Premium nitrile rubber for superior oil and temperature resistance
• Exact OEM dimensions for a perfect fit on GM transmission models
• Machined exterior surface ensures leak‑free sealing
• Backed by GM engineering standards and rigorous testing
• One‑piece design simplifies installation and reduces labor time

FAQ

Is this seal compatible with all GM transmission models?

The seal is specified for the GM part number 26001594 and fits transmission assemblies that use this original equipment part, typically found in Chevrolet, Buick, GMC, and Cadillac vehicles.

Can I install the seal myself?

Yes, the seal is a direct replacement. Clean the housing, apply a light coat of transmission fluid to the seal, and press it into place using the appropriate tool to avoid damage.

What makes nitrile rubber preferable for this application?

Nitrile rubber provides excellent resistance to petroleum‑based fluids, high temperatures, and wear, making it ideal for the harsh environment inside a transmission.

Does the seal come with any warranty?

All GM Genuine Parts are covered by a limited warranty against manufacturing defects for the duration specified by the retailer.

How does this seal differ from aftermarket alternatives?

Unlike generic aftermarket seals, this product is engineered to GM’s exact specifications, ensuring a precise fit, consistent performance, and compliance with vehicle warranty requirements.