
Dayco 86121 Molded Heater Hose - Heater Inlet (2001-2005 6.6L Duramax; 2007.5-2013/12 6.7L Cummins)
Secure Checkout
Genuine Parts
Fast Shipping
Diesel Experts
Not sure this fits your build? Call or Text Us: (352) 722-5295
Save Contact
Diesel Dollars is Southern Diesel Supply's Loyalty Program. Purchasing with Us Earns you 1 Point for every 1 Dollar spent to use for future buys!
By ordering the Dayco 86121 Molded Heater Hose - Heater Inlet (2001-2005 6.6L Duramax; 2007.5-2013/12 6.7L Cummins) you will earn 21 DIESEL DOLLARS in your SDS Fuel Tank!
The Dayco 86121 Molded Heater Hose - Heater Inlet from SDS is a direct replacement for the old, cracked, or collapsed heater hose on your vehicle. This hose is engineered to meet type EC electro-chemical requirements as specified in SAE J1684 in addition to meeting SAE J20R4, Class D-1 requirements. The durable construction of this hose is highly resistant to premature stress cracking to provide you long-term use. Backed by years of automotive experience, Dayco hoses are the quality replacement your cooling system needs. When it's time to replace faulty cooling hoses on your vehicle SDS has the direct-fit parts from Dayco that you need. The synthetic EPDM construction has a knitted reinforcement to provide superior resistance to harmful environmental elements, fluids, and temperature variations.
Features:
- Knitted Polyester Construction
- Manufactured With EPDM Rubber Compound
- Built To SAE J20R4, Class D1 & SAE J1684 Specifications
- Made To Match OE-Style Hose Bends

Diesel Dollars is Southern Diesel Supply's Loyalty Program. Purchasing with Us Earns you 1 Point for every 1 Dollar spent to use for future buys!
By ordering the Dayco 86121 Molded Heater Hose - Heater Inlet (2001-2005 6.6L Duramax; 2007.5-2013/12 6.7L Cummins) you will earn 21 DIESEL DOLLARS in your SDS Fuel Tank!


