OER Parts offers a wide selection of Oil Cap for your 1973 Chevrolet C30 Pickup. OER Parts offers 1973 Chevrolet C30 Pickup Chrome Oil Caps, 1973 Chevrolet C30 Pickup Deluxe Twist-On Oil Filler Cap, 1973 Chevrolet C30 Pickup Chrome Twist-On Oil Caps, 1973 Chevrolet C30 Pickup Chrome Push-in Oil Caps, 1973 Chevrolet C30 Pickup Billet Oil Caps, 1973 Chevrolet C30 Pickup Polished Aluminum Oil Caps, and 1973 Chevrolet C30 Pickup Logo Oil Caps.