SKF 29987 Engine Crankshaft Seal - Rear

Overview of the SKF 29987 Engine Crankshaft Seal

The SKF 29987 engine crankshaft seal is designed for reliable sealing performance in various GM vehicles. Compatible with Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, this seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Width: 0.370 inches for precise fitment
• Outside Diameter: 3.748 inches ensuring proper sealing surface contact
• Shaft Diameter: 2.992 inches matching OEM specifications
• Longlife sealing surface type for extended durability
• Compatible with multiple GM models including Chevrolet Camaro, GMC S10, Pontiac Firebird, and Buick Century

Detailed Product Description

The SKF 29987 crankshaft seal features a longlife sealing surface designed to withstand the rigors of engine operation while minimizing wear. Its dimensions—0.370 inch width, 3.748 inch outside diameter, and 2.992 inch shaft diameter—are engineered to meet or exceed original equipment standards. This ensures a secure fit and effective sealing on crankshafts of various GM vehicles such as the Chevrolet Lumina, Pontiac Grand Am, and GMC S15 Jimmy. The seal’s construction helps prevent oil leakage, which is critical for maintaining engine performance and preventing contamination of other engine components.

Applications and Common Issues Addressed

• Prevents oil leaks around the crankshaft area
• Reduces risk of engine contamination from external debris
• Helps maintain proper oil pressure within the engine
• Addresses wear-related seal failures in Buick Skylark and Oldsmobile Cutlass Ciera
• Suitable replacement for worn or damaged seals in Chevrolet S10 Blazer and Pontiac Sunbird

Installation Notes and Tips

• Ensure the crankshaft and seal housing surfaces are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches the original part to maintain sealing effectiveness
• Check shaft diameter compatibility (2.992 inches) to confirm fitment
• Lubricate the sealing surface lightly with engine oil before installation to reduce initial wear

Quality Assurance and Warranty

SKF manufactures the 29987 crankshaft seal to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details may vary, SKF products typically come with manufacturer-backed quality assurance to support reliability in automotive applications. This seal is engineered to provide dependable service life when installed according to OEM guidelines.