1991 Peterbilt 378 Auxiliary Drive Belts & Serpentine Belts
Select Your Submodel
-
Gates®Truck BeltPeterbilt 378 1991, Truck Belt by Gates®. Absorbs normal shock loads without damage to belt. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Special tensile cords give high stretch resistanceSpecial notch design resists cracking while providing tensile member support during operation$24.53 - $36.51 - Gates®FleetRunner PowerBand™ Preferred V-BeltPeterbilt 378 1991, FleetRunner PowerBand™ Preferred V-Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better,...The finest quality at a great priceGates carries everything needed to complete the job$19.78 - $65.05
- Gates®FleetRunner™ Heavy Duty V-BeltPeterbilt 378 1991, FleetRunner™ Heavy Duty V-Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in...The finest quality at a great priceGates carries everything needed to complete the job$20.54 - $33.55
- Gates®Micro-V™ V-Ribbed BeltPeterbilt 378 1991, Micro-V™ V-Ribbed Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in service life...Special belt construction eliminates belt noise, reduces tension loss, and solves problem drive applicationsUtilizes advanced materials like Aramid Fiber found in bullet-proof vests and crack and heat-resistant EPDM materials$14.88 - $44.42
- ACDelco®Specialty™ Heavy Duty V-Ribbed Serpentine BeltPeterbilt 378 1991, Specialty™ Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Made with precision and quality in mindDesigned to meet your specific needs$19.86 - $71.75Save: up to 16%$16.88 - $60.99
- Gates®Automotive XL™ V-BeltPeterbilt 378 1991, Automotive XL™ V-Belt by Gates®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet...Made with precision and quality in mindDesigned to meet your specific needs$15.40 - $28.93
- Continental® ContiTech™Accessory Drive BeltPeterbilt 378 12.7L 1991, Accessory Drive Belt by Continental® ContiTech™. This belt is designed with teeth molded directly into its surface to avoid slipping for reliable and efficient performance. Manufactured using the latest...OE quality product for safe, reliable, and efficient performanceManufactured using the latest material technology$21.94 - $24.66
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltPeterbilt 378 1991, Conti-V Multirib™ Serpentine Belt by Continental® ContiTech™. Designed to transmit torque and drive engine accessories, this serpentine belt provides quieter and cooler performance, greater durability, and...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$12.88 - $45.10
- Continental® ContiTech™Extreme Duty Multi V-BeltPeterbilt 378 1991, Extreme Duty Multi V-Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made with precision and quality in mindDesigned to meet your specific needs$36.41 - $38.06
- Continental® ContiTech™Serpentine BeltPeterbilt 378 6 10.3L 1991, Serpentine Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made with precision and quality in mindDesigned to meet your specific needs$32.09 - $40.13
- Continental® ContiTech™Serpentine BeltPeterbilt 378 1991, Serpentine Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$15.53 - $24.10
- Dayco®Drive Rite™ V-BeltPeterbilt 378 1991, Drive Rite™ V-Belt by Dayco®. Specially formulated high temperature Polymer along with the highest level of engineered reinforcement proves to perform better in belt operating temperature and efficiency than...Faster and more consistent throttle response at high speedsQuicker throttle response at mid-speed acceleration$4.47 - $10.75
- Dayco®Drive Rite™ V-Ribbed Serpentine BeltPeterbilt 378 1991, Drive Rite™ V-Ribbed Serpentine Belt by Dayco®. Specially constructed for vehicles that utilize the multiple-belt system, this product features raw-edge construction along with a patented top cogged design, which...More flexibility and increased airflow around the belt for prolonged service lifeRaw-edge sidewall construction along with a patented top cogged design for top performance$4.79 - $28.74
- Dayco®GOLD Label™ Poly Rib Heavy Duty BeltPeterbilt 378 10.0L 1991, GOLD Label™ Poly Rib Heavy Duty Belt by Dayco®. The Dayco Gold Label™ serpentine belt is a diesel grade belt that features higher performance construction over conventional light duty belts in order to meet...The belt’s heavy-duty construction provides additional integrity without sacrificing flexibilityEngineered with high-grade EPDM compounds$38.55 - $45.54
- Dayco®Poly Rib™ Serpentine BeltPeterbilt 378 1991, Poly Rib™ Serpentine Belt by Dayco®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$12.68 - $23.16
- Dayco®Top Cog™ GOLD Label™ V-BeltPeterbilt 378 1991, Top Cog™ GOLD Label™ V-Belt by Dayco®. Built with cogs in its top, the belt provides additional flexibility around small pulleys while the increased surface area results in a cooler running belt for prolonged...Constructed to deliver extended life in demanding diesel applicationsCogs in the top of the belt for increased flexibility around small pulleys$17.01 - $34.61
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltPeterbilt 378 1991, Professional™ Standard V-Ribbed Serpentine Belt by ACDelco®. Made of EPDM rubber for long life and quiet, dependable performance, ACDelco Professional Automotive Belts are designed to meet or exceed OEM performance...Made with precision and quality in mindDesigned to meet your specific needs$24.85 - $80.52Save: up to 16%$20.86 - $68.44
- ACDelco®Professional™ V-BeltPeterbilt 378 1991, Professional™ V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$20.53 - $51.21Save: up to 17%$17.43 - $43.53
- ACDelco®Specialty™ Heavy Duty High Capacity V-BeltPeterbilt 378 1991, Specialty™ Heavy Duty High Capacity V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Made with precision and quality in mindDesigned to meet your specific needs$22.44 - $43.74Save: up to 16%$19.07 - $37.00
- Goodyear Belts®Accessory Drive V-BeltPeterbilt 378 1991, Accessory Drive V-Belt by Goodyear Belts®. Goodyear Belts has developed V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency by...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$14.15 - $29.57
- Goodyear Belts®Serpentine Multi V-BeltPeterbilt 378 1991, Serpentine Multi V-Belt by Goodyear Belts®. Goodyear Belts has developed multi V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$11.48 - $45.58
- ACDelco®Specialty™ Fleetrunner Heavy Duty V-Ribbed Serpentine BeltSpecialty™ Fleetrunner Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Limited Lifetime as long as original purchaser owns vehicle. This top-grade product is expertly made in compliance with stringent industry standards to offer a...High quality at an affordable priceExpertly made from premium materials$78.47Save: $11.77 (15%)$66.70
- Continental® ContiTech™Accessory Drive BeltPeterbilt 378 14.0L 1991, Accessory Drive Belt by Continental® ContiTech™. This belt is designed with teeth molded directly into its surface to avoid slipping for reliable and efficient performance. Manufactured using the latest...OE quality product for safe, reliable, and efficient performanceManufactured using the latest material technology$28.96 - $31.21
