Help keep coolant moving between the engine and radiator with the Dayco curved radiator hose, part number 71794, a black EPDM hose made to SAE J20R4 Class D-1 and SAE J1684 Type EC. It is listed for many models, among them the 1997-2004 Toyota Tacoma (V6-3.4L), 1995-2001 Nissan Maxima (V6-3.0L) and 2015-2016 Chevrolet Colorado (V6-3.6L). See the "Vehicles it fits" section for the full list.
Depending on the application, the catalog lists this hose for the upper or the lower radiator hose position. Each listed application uses one hose.
- Curved single I.D. hose: both ends have the same 1.34 in (1 11/32 in) inside diameter.
- Dimensions: 13 in centerline length and 13 in trunk height.
- Material: EPDM, black.
- SAE specifications: SAE J20R4 Class D-1 and SAE J1684 Type EC.
- Configuration: no heat shield or protective sleeve.
A radiator hose may need replacing if it leaks coolant at the hose or at its ends, or if it is cracked, swollen, soft or collapsed. Diagnose the cooling system before replacing parts. For draining, clamp installation and refilling, follow the vehicle's service information.
Country of origin: Philippines.
Interchange: 22085M · 22312M · 22576M · 22842M · 22183 · 23166 · 62651 · 20873 · 24373 · 17039 · 7600 · 8843 · 9827
This part cross-references / interchanges with the following part numbers:
22085M, 22312M, 22576M, 22842M, 22183, 23166, 62651, 20873, 24373, 17039, 7600, 8843, 9827, 22709846, 22899852, 23125841, 95262125, 96870498, 96958148, MN156404, 21501-2Y000, 21501-31U00, 21501-31U10, 16572-07040
Frequently Asked Questions
What does a radiator coolant hose do?
It carries engine coolant between the engine and the radiator. Depending on the application, the catalog lists this hose for the upper or the lower radiator hose position.
What size is Dayco 71794?
It is a single I.D. hose with a 1.34 in (1 11/32 in) inside diameter at both ends. It has a 13 in centerline length and a 13 in trunk height.
What is this hose made of, and what SAE specifications does it carry?
The hose is black EPDM and is made to SAE J20R4 Class D-1 and SAE J1684 Type EC. It has no heat shield and no protective sleeve.
What are the signs a radiator hose may need replacing?
Warning signs include coolant leaks at the hose or its ends, cracking, swelling, and soft or collapsed sections. Diagnose the cooling system before replacing parts.
Will this Dayco coolant hose fit my 1997-2004 Toyota Tacoma with the 3.4L engine?
It is listed for the 1997-2004 Toyota Tacoma with the V6-3.4L engine, as well as the 1995-2001 Nissan Maxima 3.0L and 2015-2016 Chevrolet Colorado 3.6L. See the "Vehicles it fits" section for the full list.
