Melling LS Engine Oil Pump O Ring Heat Resistant

Description

Product Overview

The Melling LS Engine Oil Pump O Ring is a precision‑engineered sealing component designed to maintain consistent oil pressure in LS‑based GM engines. Constructed from a premium, heat‑resistant polymer, the O‑Ring resists deformation, oil breakdown, and extreme temperatures commonly encountered in both street and race environments. Its dimensions match the original equipment specifications, ensuring a leak‑free connection between the oil pump pickup tube and the pump housing. Package dimensions are 6.14 x 3.9 x 0.51 inches, weighing only 0.63 ounces, and it carries the model number MM-M29517.

Usage

This O‑Ring is ideal for anyone rebuilding or maintaining a 4.8L, 5.3L, 5.7L, 6.0L, or 6.2L LS engine. Whether you are a daily commuter, a weekend track enthusiast, or a professional mechanic, the part provides reliable oil delivery under all operating conditions. Install it during oil pump replacement, engine rebuilds, or when diagnosing low oil pressure warnings.

Why Choose Us

Melling is a trusted name in automotive oiling systems, known for rigorous quality control and precision manufacturing. Each O‑Ring undergoes dimensional testing to meet OEM tolerances, guaranteeing a perfect fit and long‑lasting performance. The heat‑resistant material extends service life, reducing the need for frequent replacements and protecting critical engine components from premature wear.

Key Features

• Prevents oil pressure loss with a secure, leak‑free seal.
• Durable, heat‑resistant polymer resists deformation and oil breakdown.
• Exact OEM fit for 4.8L‑6.2L LS‑based GM engines.
• Protects bearings, valvetrain, and rotating assemblies for engine longevity.
• Backed by Melling’s reputation for precision and durability.

FAQ

What engines are compatible with this O‑Ring?

The O‑Ring fits LS‑based GM engines ranging from 4.8L to 6.2L, including 5.3L, 5.7L, and 6.0L variants.

Do I need special tools to install the O‑Ring?

Installation requires standard O‑Ring installation tools such as a pick‑type tool or a small screwdriver to avoid twisting the ring. No specialized equipment is necessary.

How does the heat‑resistant material benefit my engine?

The material maintains its elasticity at high temperatures, preventing the O‑Ring from hardening or cracking, which ensures consistent oil flow even under heavy load or track conditions.

Can I use this O‑Ring for a performance build?

Yes, the O‑Ring is designed to handle the increased thermal and pressure demands of high‑performance and race applications while providing the same reliability as stock installations.

What is the warranty on this product?

Melling offers a limited warranty that covers manufacturing defects for the life of the product, giving you confidence in its durability and performance.