Dorman 41200 Air Cleaner Fastener

Dorman 41200 Air Cleaner Wing Nut

Dorman 41200 is a steel air cleaner wing nut made for specific vehicle applications where a direct-fit air cleaner fastener is needed. It is built to match the fit and function of the original part on listed vehicles, with a silver finish and 1/4 in-20 thread size.

• Steel construction for dependable fastening strength
• Silver finish for a clean OE-style appearance
• Specific fit for listed applications
• Air cleaner wing nut design for easy hand tightening
• 1/4 in-20 thread size

OE-Style Replacement Fit

This Dorman air cleaner fastener is designed for direct replacement use on classic GM applications, including Buick LeSabre, Chevrolet Caprice, Cadillac DeVille, and related models. It is a practical choice when replacing a worn or missing air cleaner wing nut on vehicles such as the Chevrolet Corvette, Oldsmobile Cutlass, and Pontiac Grand Prix. This part cross-references 412003 and 9440077 for the same application.

Common Uses

• Replaces a damaged or missing air cleaner wing nut
• Restores secure retention of the air cleaner assembly
• Addresses loose or hard-to-tighten air cleaner hardware
• Helps correct mismatched thread size on the air cleaner stud
• Supports service work on Buick, Chevrolet, Cadillac, Oldsmobile, and Pontiac vehicles

Installation Notes

Verify the air cleaner stud thread size before installation; this part uses 1/4 in-20 threads. Hand-tighten only and confirm the air cleaner housing seats properly after service. For fitment-specific applications, use the vehicle listing to confirm compatibility with your exact year and model, such as Fits 1982-1990 Buick LeSabre, N/A, Fits 1985-1990 Chevrolet Caprice, N/A, and Fits 1982-1985 Cadillac DeVille, N/A.

Quality Assurance

Dorman manufactures this replacement fastener from quality steel for reliable performance on specified vehicles. Part number 41200 is engineered to match original part fit and function for the listed applications.