Sinister Diesel Chevy Duramax L5P Coolant Reservoir Cap

This part is still available to order. Once you place your order, we’ll submit it directly to Sinister Diesel, and they’ll ship it straight to you.

Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.

Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with Sinister Diesel, assuring you get the part as quickly as possible.

Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.