Dayco 22420 accessory drive belt for the 1991-1994 GMC W7500 Forward and other vehicles carries engine power to the accessories it drives. It is listed for the air conditioning, fan, generator and idler positions.
- Double-cog construction, not a banded belt
- Synthetic rubber compound
- 38-degree belt angle
- Built to SAE J636 and SAE J637 standards
- Operating range of -35 F to 175 F (-37.2 C to 79.4 C)
Quick facts
- Part: Dayco 22420 accessory drive belt
- Fits: 1991-1994 GMC W7500 Forward and other vehicles
- Position: Air conditioning, fan and generator, fan, generator, idler
- Material: Synthetic rubber compound
- Condition: New
A belt that squeals, shows cracks or has frayed edges can be worn out. Before you replace it, rule out a misaligned or seized pulley, since that can chew through a fresh belt as well.
Fits
The 1991-1994 GMC W7500 Forward, the 1991-1994 Isuzu FSR and the 1991-1994 Isuzu FTR each take one of these belts. Owners of other vehicles can find their own year, model and engine code (L4-2.2L, L6-14.0L, L6-6.5L) in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: air conditioning, fan and generator, fan, generator, idler
- Quantity per vehicle: 1 or 2, depending on the vehicle
- Belt angle: 38 degrees
Build and materials
- Construction: double cog
- Banded belt: no
- Material: synthetic rubber compound
- Standards: SAE J636, SAE J637
- Operating temperature: -35 F to 175 F (-37.2 C to 79.4 C)
- Condition: New
Interchange: JE-423 · 22-423
21429 · B5410 · 22424 · 24424
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
21429, B5410, NA, 22424, 22420, JE-423, 22-423, 24424
Frequently Asked Questions
Does the Dayco 22420 fit the 1991-1994 GMC W7500 Forward?
Yes. Dayco 22420 is listed for the 1991-1994 GMC W7500 Forward. The 1991-1994 Isuzu FSR takes it as well, one belt on each truck.
What temperatures can this Dayco accessory drive belt run in?
This accessory drive belt has an operating range of -35 F to 175 F (-37.2 C to 79.4 C).
What is this accessory drive belt made of, and how is it built?
This accessory drive belt is a double-cog belt in a synthetic rubber compound, not a banded belt, with a 38-degree angle. It is listed to SAE J636 and SAE J637.
Does Dayco 22420 replace number B5410?
Yes. B5410 is one of the numbers Dayco 22420 replaces, and the Interchange line lists the rest.
What should I look for on a worn double-cog accessory drive belt?
With the engine off and cool, look for cracks, fraying or a shiny glazed surface along the cogs. A squeal in normal driving can also be a sign of wear.
