Opparts S11878 Engine Oil Filter - Main

Engine Oil Filter for GM HD and Cadillac Applications

The Opparts ECOGARD S11878 engine oil filter is an OE-style replacement for select Chevrolet Silverado HD, GMC Sierra HD, Cadillac STS, and Cadillac XLR applications. It is listed for synthetic oil use on many of the covered vehicles and for original OE recommendation on 2023 HD truck applications.

Key Features

• Engine oil filter for select GM heavy-duty trucks and Cadillac performance models
• OE replacement fitment for 2020-2023 Chevrolet Silverado HD and GMC Sierra HD applications
• Listed for synthetic oil use on multiple fitments
• Fits 2023 Chevrolet Silverado 2500 HD, N/A and 2023 Chevrolet Silverado 3500 HD, N/A
• Fits 2023 GMC Sierra 2500 HD, N/A and 2023 GMC Sierra 3500 HD, N/A
• Part number S11878 for catalog and service matching

Detailed Description

Opparts ECOGARD S11878 is an engine oil filter built for direct replacement service on select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models, along with 2006-2009 Cadillac STS and Cadillac XLR applications. The fitment data includes both main-position and N/A listings, with several applications noted for synthetic oil use. For buyers searching by vehicle, this filter covers 2020-2023 Chevrolet Silverado HD and GMC Sierra HD configurations and supports OE-replacement maintenance needs. The S11878 part number is also useful when cross-checking service records or ordering by catalog reference.

Common Problems It Can Help Address

• Dirty engine oil circulating through the lubrication system
• Reduced oil filtration performance during routine maintenance intervals
• Incorrect filter selection for Silverado HD and Sierra HD service
• Service replacement needs on Cadillac STS and Cadillac XLR oil filter applications
• Fitment lookup issues when ordering by part number S11878

Installation Notes and Tips

Verify engine oil filter location and application details before installation, especially on 2020-2023 Chevrolet Silverado HD and GMC Sierra HD trucks. Match the vehicle year, make, model, and position shown in the fitment data, and confirm whether the application is listed for synthetic oil use or original OE recommendation. Always follow the vehicle service procedure and replace the filter during the oil change interval.

Quality Assurance

ECOGARD is the product line identified for this Opparts oil filter, and the fitment data reflects OE-replacement coverage for select GM truck and Cadillac applications. This part cross-references no additional part numbers in the provided data.