Pioneer Cables 749016 Transmission Oil Pan Gasket

Transmission Oil Pan Gasket for GM Applications

Pioneer Cables 749016 is a transmission oil pan gasket built for exact-fit replacement on a wide range of GM vehicles. It is a fibre gasket made for specific 4T60-E applications where listed, helping restore a proper seal at the transmission pan.

Compatible With Buick Century, LeSabre, Reatta, Regal, and Riviera; Cadillac Allante, DeVille, Eldorado, Fleetwood, and Seville; Chevrolet Celebrity and Lumina; Oldsmobile 98, Cutlass Ciera, Cutlass Cruiser, Cutlass Supreme, Delta 88, and Toronado; and Pontiac 6000, Bonneville, and Grand Prix.

• Fibre transmission oil pan gasket construction
• Exact-fit replacement from Pioneer Transmission Components
• Application-specific coverage for select 4T60-E vehicles
• Direct replacement for pan sealing service on listed GM models
• Part number 749016 for easy identification

Detailed Fitment and Application

This transmission oil pan gasket is intended for service on the listed Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles with the specified transmission applications. Fitment includes 1984-1990 Buick Century, 1986-1990 Buick LeSabre, 1988-1990 Buick Reatta, 1988-1990 Buick Regal, 1986-1990 Buick Riviera, 1987-1990 Cadillac Allante, 1985-1990 Cadillac DeVille, 1986-1990 Cadillac Eldorado, 1985-1990 Cadillac Fleetwood, 1986-1990 Cadillac Seville, 1984-1985 and 1986-1989 Chevrolet Celebrity, 1990 Chevrolet Lumina, 1985-1990 Oldsmobile 98, 1986-1990 Oldsmobile Cutlass Ciera, 1989-1990 Oldsmobile Cutlass Cruiser, 1988-1990 Oldsmobile Cutlass Supreme, 1986-1990 Oldsmobile Delta 88, 1986-1990 Oldsmobile Toronado, 1984-1988 and 1990 Pontiac 6000, 1987-1990 Pontiac Bonneville, and 1988-1990 Pontiac Grand Prix. Select listings note 4T60-E coverage only.

What This Gasket Helps Address

• Transmission pan fluid seepage at the gasket surface
• Leaks caused by a worn or compressed pan gasket
• Service issues during transmission pan removal and resealing
• Seal deterioration on older GM automatic transmission applications
• Fitment problems when replacing a damaged original gasket

Installation Notes and Tips

Verify the vehicle year, make, model, and transmission before installation, especially on listings marked 4T60-E only. Clean the pan and case sealing surfaces thoroughly before installing the gasket, and inspect the pan flange for distortion before reassembly. Use the part number 749016 to confirm the correct application during service.

Quality Assurance

Pioneer Transmission Components are exact-fit replacement parts built for direct application matching on the vehicles listed above. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.