Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![FleetRunner Micro-V Serpentine Belt for 2018-2022 Mack CHU, CXU, Pinnacle [10-Rib, 79.470 in. Outside Circumference]](https://www.jegs.com/images/mini_750/400/465/465-k100789hd.jpg)
Vehicle Info NeededGATESPART NUMBER: 465-K100789HD
FleetRunner Micro-V Serpentine Belt for 2018-2022 Mack CHU, CXU, Pinnacle [10-Rib, 79.470 in. Outside Circumference]
$17308
Ships on 10/16/2026
Lowest Price GuaranteeHeavy Duty Serpentine Belt for Trucks and Fleet Vehicles2018-2019 Mack CHU 2018-2019 Mack CXU 2018-2022 Mack Pinnacle 12.8L L6 Engine K Section 10 Ribs 79.470 in. Outside Circumference 1.367 in. Top Width Sold Individually
Gates FleetRunner belts are made for heavy duty trucks, buses and fleet vehicles, where long run times, high accessory loads and underhood heat put extra demand on the belt drive.
Gates K100789HD FleetRunner Micro-V Serpentine Belt Features:
- Built for Heavy Duty Truck, Bus and Fleet Service
- Handles High Accessory Loads and Underhood Heat
- EPDM Construction for Long Service Life
- Cross Section: K
- Rib Count: 10
- Outside Circumference: 79.470 in.
- Top Width: 1.367 in.
- OE Rating: OE Improved
- Sold Individually
Vehicle Applications:
- 2018-2019 Mack CHU 12.8L L6
- 2018-2019 Mack CXU 12.8L L6
- 2018-2022 Mack Pinnacle 12.8L L6
Part TypeSerpentine Belt
BrandGATES
Package Height1.5
Package Width4.5
Package Length12.3
Weight0.7 PG
Part CategoryReplacement Parts
Number Of Ribs10
Top Width (In)1.367
Top Width (Mm)35
Oe Comparison RatingOE Improved
Outside Circumference (In)79.47
Part FitmentDirect Fit
SectionK
Outside Circumference (Mm)2019
Vendor Part NumberK100789HD
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
