Genuine GM 3521456 Engine Oil Filler Cap – For 4.1L 4.5L 4.9L Cadillac – OEM

If you've got an older Cadillac with the 4.1, 4.5, or 4.9L engine, this is the genuine GM oil filler cap you need.

Part number 3521456.

It also replaces a bunch of other numbers: 10118, 33056, 143-0706, MO-123, 46562, 9MO123, 11118, U33-9221, FC154, and 14123.

It's new old stock or new other—but it's a genuine OEM General Motors part.

It's a direct replacement, just screw it on.

If your cap is missing, cracked, or leaking, grab this one and seal it up.

90-day warranty.

No UPC, just the right cap for your Caddy.

Keep the oil in, keep the dirt out.