Dayco 70553 coolant bypass hose for the 1974-1978 Jeep Cherokee V8 6.6L, the 1974-1983 Cherokee V8 5.9L and other vehicles carries engine coolant between connection points in the cooling system.
- EPDM hose construction
- Dual I.D. design with 3/4 in and 7/8 in diameters
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC
- Trunk height of 6 3/4 in
Quick facts
- Part: Dayco 70553 coolant bypass hose
- Also called: engine coolant bypass hose
- Fits: the 1974-1978 Jeep Cherokee V8 6.6L, the 1974-1983 Cherokee V8 5.9L and other vehicles
- Material: EPDM
- Condition: New
An engine coolant bypass hose that is cracked, swollen or seeping can lead to coolant loss and overheating. A leaking radiator hose, water pump or thermostat housing can sit behind those signs too, so trace the source of the leak before you buy a hose.
Fits
The 1987-1991 Jeep Grand Wagoneer and the 1974-1987 Jeep J10 V8 5.9L take this hose as well, along with many other Jeep and American Motors models, one hose per vehicle. Open the "Vehicles it fits" section and look up your exact model and engine before you order.
Specifications
Fit and size
- Diameters (dual I.D.): 3/4 in (.75 in) and 7/8 in (.88 in)
- Trunk height: 6 3/4 in (6.75 in)
- Quantity per vehicle: 1
Build and materials
- Type: Dual I.D. hose
- Material: EPDM
- SAE specification: SAE J20R4 Class D-1, SAE J1684 Type EC
- Condition: New
Interchange: 14212S · RH158 · 1080 · 642208 · C0625 · MH238 · 20625 · 63724 · 3008 · BP724 · 4015 · KM638 · 7388 · 43724 · BP865 · MR865 · CB6 · BP7 · CH348
This part cross-references / interchanges with the following part numbers:
14212S, RH158, 1080, 642208, C0625, MH238, 20625, 63724, 3008, BP724, 4015, KM638, 7388, 43724, BP865, MR865, CB6, BP7, CH348, 3182494, J3182494, 455324-C1, BH1509
Frequently Asked Questions
Does the Dayco 70553 fit a 1974-1978 Jeep Cherokee V8 6.6L?
Yes. Dayco 70553 fits the 1974-1978 Jeep Cherokee V8 6.6L and the 1974-1983 Cherokee V8 5.9L, one hose per vehicle. Open the "Vehicles it fits" section to look up other models and engines.
What hose sizes does this dual I.D. coolant bypass hose have?
Dayco 70553 is a Dual I.D. hose with 3/4 in (.75 in) and 7/8 in (.88 in) diameters and a trunk height of 6 3/4 in (6.75 in).
Is this bypass hose EPDM, and which SAE specs does it meet?
Yes, this hose is EPDM. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC.
Does this bypass hose come with a protective sleeve or heat shield?
No. This hose does not contain a protective sleeve or a heat shield.
What can a failing coolant bypass hose look like?
With the engine off and cool, a worn hose can show cracks, a soft or swollen feel, or coolant residue at its ends.
