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1991 Peterbilt 378
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Price Match Guarantee
60-Day Returns
Lifetime Replacement
1991 Peterbilt 378

1991 Peterbilt 378 Radiator Hoses

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Professional Series Radiator Hose, Rubber
AC Delco®
Professional Series Radiator Hose, Rubber
Part Number: AC31062
Guaranteed to Fit
$57.49
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 14.0L
  • 1991 Peterbilt 378 Base 6 Cyl 10.3L Engine To Pipe
Product Details
Location : LowerNotes : Straight type; Cut to fit; With 2 1/4 in. I.D. hose; With allison transmission; Premium 2-ply; 60 psiSeries : Professional SeriesRecommended Use : OE ReplacementReplaces OE Number : 88909129Quantity Sold : Sold individuallyWarranty : Lifetime AC Delco limited warrantyProp 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.

Hose End B Diameter : 2.25 in.Material : RubberHose End A Diameter : 2.25 in.
Radiator Hose, 6 Cyl., 14.0L Engine, Aftercooler -
AC Delco®
Radiator Hose, 6 Cyl., 14.0L Engine, Aftercooler -
Part Number: AC20176S
Guaranteed to Fit
$12.99
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 14.0L Aftercooler
Product Details
Notes : Molded type; Cut to fit; With 300 h.p. engineSeries : Professional SeriesRecommended Use : OE ReplacementReplaces OE Number : 88907776Quantity Sold : Sold individuallyWarranty : Lifetime AC Delco limited warrantyProp 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.

Hose End B Diameter : 1 in.Material : RubberHose End A Diameter : 1 in.
Upper - Pipe To Radiator Radiator Hose, 6 Cyl., 10.0L Engine
Dayco®
Upper - Pipe To Radiator Radiator Hose, 6 Cyl., 10.0L Engine
Part Number: DY76200
Guaranteed to Fit
$45.49
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 10.0L
Product Details
Location : Upper - Pipe To RadiatorSeries : Dayco Straight SeriesQuantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Dayco limited warrantyProp 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.

Radiator Hose, 6 Cyl., 10.3L Engine, Enginedesignationname: 3176, Enginemfrname: Caterpillar, Upper - Pipe To Engine, Cut To Fit -
Continental®
Radiator Hose, 6 Cyl., 10.3L Engine, Enginedesignationname: 3176, Enginemfrname: Caterpillar, Upper - Pipe To Engine, Cut To Fit -
Part Number: CTT56032
Guaranteed to Fit
$73.99
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 10.3L enginedesignationname: 3176, enginemfrname: Caterpillar, Upper - Pipe To Engine; Cut to Fit
Product Details
Recommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : 5 Year Continental Limited WarrantyProp 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.

Promotions : European Vehicle Parts
Upper - Engine To Pipe Radiator Hose, 6 Cyl., 10.3L Engine - Upper - Engine To Pipe
Gates®
Upper - Engine To Pipe Radiator Hose, 6 Cyl., 10.3L Engine - Upper - Engine To Pipe
Part Number: GAT24232
Guaranteed to Fit
$57.49
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 10.3L
Product Details
Location : Upper - Engine To PipeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 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.

Promotions : Cooling Essentials
Gates OE Replacement Radiator Hose
Gates®
Gates OE Replacement Radiator Hose
Part Number: GAT24236
Guaranteed to Fit
$81.99
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 14.0L
  • 1991 Peterbilt 378 Base 6 Cyl 10.3L Lower - Engine To Pipe
Product Details
Location : UpperSeries : Gates OE ReplacementRecommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 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.

Promotions : Cooling EssentialsHose End A Diameter : 2.25 in.
Lower or Upper Radiator Hose, 6 Cyl., 10.5/14.0/12.7/14.6/10.3L Engine, Pipe To Radiator/Engine To Pipe - Lower - Lower or Upper - Upper
AC Delco®
Lower or Upper Radiator Hose, 6 Cyl., 10.5/14.0/12.7/14.6/10.3L Engine, Pipe To Radiator/Engine To Pipe - Lower - Lower or Upper - Upper
Part Number: AC31064
Guaranteed to Fit
$83.99
Vehicle Fitment
  • 1991 Peterbilt 378 Base 6 Cyl 14.0L
  • 1991 Peterbilt 378 Base 6 Cyl 10.5L Engine To Pipe
  • 1991 Peterbilt 378 Base 6 Cyl 12.7L
  • 1991 Peterbilt 378 Base 6 Cyl 14.6L
  • 1991 Peterbilt 378 Base 6 Cyl 10.3L Pipe To Radiator
Product Details
Location : UpperNotes : Straight type; Cut to fit; With 2 1/2 in. I.D. hose; Straight hoseSeries : Professional SeriesRecommended Use : OE ReplacementReplaces OE Number : 88909131Quantity Sold : Sold individuallyWarranty : Lifetime AC Delco limited warrantyProp 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.

Material : Rubber
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