Keep coolant moving between the radiator and engine with the Dayco coolant hose 70770, a curved upper radiator hose built to replace a cracked, swollen, or leaking original on a range of Chevrolet and GMC medium-duty trucks. It installs in the upper radiator position on applications such as the 1990 Chevrolet C60 [V8-6.0L, V8-7.0L], 1990-1996 Chevrolet C60 KODIAK and C70 KODIAK, 1990-1996 GMC C6000 TOPKICK and C7000 TOPKICK, 1993-1998 Chevrolet B7 and GMC B7, and 1997-1998 Chevrolet C6500/C7500 KODIAK — see the Buyer's Guide tab for the full list of covered vehicles and engines.
As a Dayco curved radiator hose, its pre-formed shape routes around engine accessories without kinking.
Country of origin: Thailand. A hardened, bulging, or seeping hose is a common sign it may need replacing.
Interchange: 26034X · 26233X · MH441 · 20933 · 22031 · 60753 · 20757 · KM542 · 7658 · 8715 · MR894
This part cross-references / interchanges with the following part numbers:
What is the Dayco 70770 radiator hose made of?
It is made from EPDM rubber in black and meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.
Is this the upper or lower radiator hose?
The catalog lists this as the upper radiator hose position for the covered applications.
What size is the Dayco curved radiator hose 70770?
It is a single-I.D. hose with a 2-inch inside diameter at each end and a centerline length of about 25.5 inches.
Does the 70770 include a heat shield or protective sleeve?
No. This hose is supplied without a heat shield and without a protective sleeve.
Which vehicles does the Dayco 70770 fit?
It fits many 1990-1998 Chevrolet and GMC medium-duty trucks with the V8-6.0L or V8-7.0L engine, including the C60 KODIAK, C70 KODIAK, and C6000/C7000 TOPKICK. See the Buyer's Guide tab.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
