Replaces OE Numbers: BTC1119G, 20956585, 2MF567M, 21504562, MK19G, 376761711, M5706, M5706102, 22769526, S1018004

Other Reference Part Numbers: MAC17329, MAC17329N, MAC17329R, BT1119G, 1119G, CAC119G, WSR1119G, CA2240, WGM29F, WGM29FMAX, 44VOL29F, SRMVOL29F, RHT084

• Fits Mack CH, Granite GU
• CORE HEIGHT: 32 1/4″
• CORE WIDTH: 23 1/2″
• INLET: 4″ – FLANGED
• OUTLET: 4″ – FLANGED
• INCLUDES: 2x 22 inch Windshield Wipers, 2x Trailer Tail Lights, License Plate Frame and KOZAK Reflective Vest

Please note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.

Keep your Mack CH or Mack Granite GU running at peak performance with this heavy-duty Charge Air Cooler, part number BTC1119G. Designed as a direct OEM replacement, this charge air cooler is engineered to maintain optimal intake air temperatures, helping your engine breathe efficiently and deliver the power and fuel economy your operation depends on. Whether you're managing a long-haul fleet, running vocational work with a Granite GU, or repairing a customer's rig in the shop, this is the reliable solution you need to get back on the road fast.

This charge air cooler features a core height of 32-1/4 inches and a core width of 23-1/2 inches, with a 4-inch flanged inlet and a 4-inch flanged outlet for a precise, leak-free fit. The unit is built from high-quality aluminum construction, offering excellent heat dissipation, corrosion resistance, and long-term durability under the demanding conditions of commercial trucking. It replaces OE part numbers including BTC1119G, 20956585, 21504562, 22769526, and several others, ensuring broad cross-reference compatibility across popular aftermarket and OEM catalogs.

Installation is straightforward for experienced technicians and body shops thanks to the direct-fit design that mirrors the original equipment specifications. No cutting, drilling, or modification is required — simply remove the old unit and bolt this one in. The flanged port design ensures a secure connection to your charge air piping, minimizing the risk of boost leaks that can rob your Mack of power and efficiency. This unit is a smart, cost-effective alternative to dealer pricing without sacrificing quality or fitment accuracy.

At Kozak Parts, we stock this charge air cooler and thousands of other aftermarket semi truck parts ready to ship fast from our Seattle, WA warehouse. That means less downtime for your truck and more miles on the road. Order today and experience the combination of quality parts and quick delivery that fleet managers and body shops across the country rely on.