Replacement Belt Set (8-Rib + 6-Rib) for Caterpillar C15 and 3406E Engines – 12" Fan Mounting Height.
This serpentine belt set is available in two configurations (side-mount A/C compressor or top-mount A/C compressor) and is designed for trucks with an 8/6 groove setup and a critical 12" fan mounting height (measured from crankshaft center to fan hub center).
Kit Includes (both variations):
- (1) 8-Rib Main Drive Belt
- (1) 6-Rib Accessory Belt
Compatibility:
- Caterpillar C15 and 3406E engines with 8/6 groove serpentine configuration
- Kenworth T660, T800, Peterbilt 386, and other models with 12" fan mounting height
Important Notes:
- Choose Side-Mount A/C or Top-Mount A/C variation when ordering.
- 12" fan mounting height is required for proper fitment.
- Contact Kustom Truck to confirm compatibility with your exact engine, fan height, and A/C compressor mounting configuration.
Key Specifications:
- 8-rib main drive belt + 6-rib accessory belt
- Designed for 12" fan mounting height
- Suitable for heavy-duty truck accessory drive systems
1 Review Hide Reviews Show Reviews
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Needs Belt Routing
Awesome products, just nice to know the belt routing when installing. [KT STAFF: Sorry to hear you had problems with belt routing. If you take a look at the product pages for our Serpentine Upfit Kits that the belts are used with, there are several installation photos that you can use for reference when it comes to belt routing. If you still have additional questions, please give us a call and we would be happy to assist you further.]
