Elring 792.530 Engine Oil Filler Cap Seal

Elring 792.530 Engine Oil Filler Cap Seal

The Elring 792.530 engine oil filler cap seal is a precision O-ring made from ACM (polyacrylate) for dependable sealing in the engine oil filler cap area. With a 35 mm inner diameter and 3.5 mm thickness, it is built for a direct-fit style replacement where the original seal has hardened, flattened, or begun to leak.

Compatible With Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Savana 2500, GMC Savana 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 HD applications across the listed model years.

• Elring part number 792.530
• O-ring shape for oil filler cap sealing
• ACM (polyacrylate) material for engine oil sealing applications
• 35 mm inner diameter
• 3.5 mm thickness
• Cross-reference: 12625100

Detailed Product Information

This Elring oil filler cap seal is specified for a range of Chevrolet and GMC trucks and vans, including Chevrolet Express 2500 and Express 3500, Chevrolet Silverado 2500 HD and Silverado 3500 HD, GMC Savana 2500 and Savana 3500, plus GMC Sierra 2500 HD and Sierra 3500 HD. The 792.530 seal uses an O-ring profile to maintain a tight seal at the filler cap, helping preserve crankcase sealing integrity in normal engine service.

Elring 792.530 is a practical replacement when the original oil filler cap seal no longer seats properly due to age, heat exposure, or compression set. The ACM material is selected for sealing performance in engine environments, and the dimensional specification helps match the original fitment requirements on the listed Chevrolet Silverado HD, GMC Sierra HD, and related applications.

What This Seal Helps Address

• Oil seepage around the engine oil filler cap
• Hard, flattened, or cracked original filler cap seals
• Loss of sealing at the cap after heat cycling
• Residue buildup around the oil fill opening
• Improper cap sealing on listed Chevrolet and GMC applications

Installation Notes

Inspect the oil filler cap and sealing groove before installation. Clean the mating surfaces thoroughly, then confirm the new O-ring seats evenly without twisting. Verify the cap closes securely after installation and check for leaks during the next engine inspection interval.

Quality Assurance

Elring is known for engine sealing components used in demanding automotive service. Part number 792.530 is manufactured to support consistent sealing performance for the specified Chevrolet and GMC fitments.