{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
1990 Peterbilt 378
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
1990 Peterbilt 378

1990 Peterbilt 378 Accessory Drive Belts

Refine by:

Shop Catalog

Showing 1 - 15 of 88 results
Display item:
15
30
45
Sort by:
Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Gates®
Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: GAT9550
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 12.7L DIESEL, With 55 1/2 in. Belt O.C.
Product Details
Location : Air Conditioning, FanWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 55.38 in.Top Width : 0.47 in.Type : V-beltEffective Length : 55 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17480
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 10.0L
Product Details
Location : Air ConditioningQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Dayco Gold Label Top Cog SeriesType : V-beltProduct Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17560
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L 56 in. Belt
Product Details
Location : Fan To Alternator and Air ConditioningNotes : Air Conditioning and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 56.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 56 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17460
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L 46 in. Belt
  • 1990 Peterbilt 378 Base 6 Cyl 14.0L
Product Details
Location : AlternatorQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Dayco Gold Label Top Cog SeriesType : V-beltProduct Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17580
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L 58 in. Belt
Product Details
Location : FanNotes : Air Brake Compressor and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 58.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 58 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17530
Guaranteed to Fit
$21.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 12.7L 53 1/2 in. Belt
Product Details
Location : FanNotes : Air Conditioning and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 53.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 53 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17463
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 12.7L 46 in. Belt
Product Details
Location : AlternatorQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Dayco Gold Label Top Cog SeriesType : V-beltProduct Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17540
Guaranteed to Fit
$25.99
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L 54 in. Belt
Product Details
Location : Fan To Alternator and Air ConditioningNotes : Air Conditioning and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 54.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 54 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17570
Guaranteed to Fit
$28.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 14.6L 57 in. Belt
Product Details
Location : Fan To Alternator and Air ConditioningNotes : Air Conditioning and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 57.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 57 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17660
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L 66 in. Belt
Product Details
Location : FanNotes : Air Brake Compressor and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 66.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 66 in.Product Fit : Direct Fit
Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Gates®
Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: GAT9590
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 12.7L DIESEL, With 59 1/2 in. Belt O.C.
  • 1990 Peterbilt 378 Base 6 Cyl 14.6L DIESEL, With 59 1/2 in. Belt O.C.
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L DIESEL, With 59 3/8 in. Belt O.C.
Product Details
Location : Air ConditioningWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 59.38 in.Top Width : 0.47 in.Type : V-beltEffective Length : 59 in.Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17590
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 12.7L 59 in. Belt
  • 1990 Peterbilt 378 Base 6 Cyl 14.6L 59 in. Belt
Product Details
Location : Fan To Air ConditioningNotes : Air Conditioning and Idler; 36 angleWarranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 59.27 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 59 in.Product Fit : Direct Fit
Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Gates®
Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: GAT9560
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 12.7L DIESEL, With 56 1/2 Belt O.C.
  • 1990 Peterbilt 378 Base 6 Cyl 10.5L DIESEL, With 56 1/2 Belt O.C.
Product Details
Location : FanWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 56.38 in.Top Width : 0.47 in.Type : V-beltEffective Length : 56 in.Product Fit : Direct Fit
Professional Series Accessory Drive Belt - Direct Fit, Sold individually
AC Delco®
Professional Series Accessory Drive Belt - Direct Fit, Sold individually
Part Number: AC17490
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 14.6L Alternator, Optional Belt
Product Details
Warranty : Lifetime AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesReplaces OE Number : 88934434Product Fit : Direct Fit
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Dayco®
Dayco Gold Label Top Cog Series Accessory Drive Belt - V-belt, Direct Fit, Sold individually
Part Number: DY17490
Guaranteed to Fit
$16.49
Vehicle Fitment
  • 1990 Peterbilt 378 Base 6 Cyl 14.6L without A.C.
Product Details
Location : Fan and AlternatorWarranty : Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Outside Circumference : 49.3 in.Series : Dayco Gold Label Top Cog SeriesTop Width : 0.53 in.Type : V-beltEffective Length : 49 in.Product Fit : Direct Fit
Page 1 of 6 | Showing 1 - 15 of 88 results

Popular Products

Helpful Automotive Resources

Car A/C Maintenance Tips: 8 Rules to Stay Cool This Summer
Car A/C Maintenance Tips: 8 Rules to Stay Cool This SummerCabin air filters (not all vehicles have them) trap dirt and keep debris from entering the cabin through the air conditioning system. Excessively dirty or clogged filters result in poor air flow to the cabin. If your filter isn’t reusable, replacement cabin air filters are relatively inexpensive and easy to
P0526 Code: Cooling Fan Speed Sensor Circuit
P0526 Code: Cooling Fan Speed Sensor CircuitThe device used to detect fan speed is usually a 3-wire hall effect sensor. It makes use of a 5-volt reference coming from the PCM, a ground wire, and a signal wire to determine fan speed.