Peterbilt 378 Truck Parts For Sale

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2 0

1997 Peterbilt 378 Door Mirror

$365 USD

(USED) Peterbilt 378 Material: STAINLESS Power: NO Heated: YES

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25708942
MLS Number	13193575
Category	Door Mirrors
Last Updated	5/10/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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3 0

1997 Peterbilt 378 Front Door Assembly

$405 USD

(USED) Peterbilt 378 Color: RED Pwr Wnd: NO W/ Mirror: NO Type: COMPLETE DOES NOT INCLUDE MIRROR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25708945
MLS Number	13193574
Category	Door Assemblies, Front
Last Updated	5/10/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 794-___ SHOW
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5 0

1999 Peterbilt 378 Battery Box

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1999 Peterbilt 379 Driver Side LH Battery Box, 29"L x 14"W x 12"H, 4 Battery Capacity., Material: Aluminum

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1999
Stock Number	1973-14
MLS Number	13559669
Category	Battery Boxes / Trays
Last Updated	5/6/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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4 0

1999 Peterbilt 378 Cooling Assembly

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Cooling Assembly, Complete, Includes RAD, CAC, and Condenser, Engine Make: Caterpillar, Engine Model: 3406E

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1999
Stock Number	1973-6
MLS Number	13559661
Category	Cooling Assemblies (Rad., Cond., ATAAC)
Last Updated	5/6/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

4 0

2006 Peterbilt 378 Spring Hanger

$110 USD

Spring hanger pulled from a 2006 Peterbilt 378; front suspension rear spring hanger. OEM P/N 338-1230 Good used condition, steel material.

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	4296
MLS Number	12300350
Category	Spring Hangers
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

3 0

1993 Peterbilt 378 Suspension Parts

$250 USD

Air leaf paddle / spoon pulled from a 1993 Peterbilt 378. Part is in good used condition, see pictures. OEM P/N 03-06796R

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6039
MLS Number	12301766
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

4 0

1993 Peterbilt 378 Suspension Parts

$65 USD

Air bag / air ride air spring with valves pulled from a 1993 Peterbilt 378. Air bag is in good used condition, see pictures. OEM P/N 230413-2

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6041
MLS Number	12301767
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

5 0

1993 Peterbilt 378 Right Suspension Parts

$350 USD

Air leaf hanger / trunion with rear leaf spring pulled from a 1993 Peterbilt 378. Air leaf hanger and rear leaf spring are in good used condition, see pictures. OEM P/N 03-06794 REV B

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	6043
MLS Number	12301769
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2 0

1993 Peterbilt 378 Suspension Parts

$250 USD

U-bolt bottom mount / lower axle clamp bracket pulled from a 1993 Peterbilt 378. Part is in good used condition, see pictures. Bracket was paired with 402 Eaton housing. OEM P/N 03-04801

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6036
MLS Number	12301764
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

3 0

1993 Peterbilt 378 Suspension Parts

$250 USD

U-bolt bottom mount / lower axle clamp bracket pulled from a 1993 Peterbilt 378. Part is in good used condition, see pictures. Bracket was paired with 402 Eaton housing. OEM P/N 03-04898

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6035
MLS Number	12301763
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

3 0

1993 Peterbilt 378 Left Suspension Parts

$275 USD

Air leaf paddle / spoon pulled from a 1993 Peterbilt 378. Part is in good used condition, see pictures. OEM P/N 03-06796L

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	6038
MLS Number	12301765
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

4 0

1993 Peterbilt 378 Suspension Parts

$125 USD

Steering input shaft off of a 1993 Peterbilt 378, non-wrecked vehicle. Steering shaft measures 34.25" end to end and is greaseable. Part is in good used condition, see pictures.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	5004
MLS Number	12300912
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

4 0

1993 Peterbilt 378 Suspension Parts

$125 USD

Steering input shaft off of a 1993 Peterbilt 378, non-wrecked vehicle. Steering shaft measures 34" end to end and is greaseable. Part is in good used condition, see pictures.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	4965
MLS Number	12300880
Category	Suspension Misc. Parts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

5 0

1993 Peterbilt 378 Fuel Tank Strap / Bracket

$275 USD

Peterbilt 26" diameter fuel tank strap and corresponding saddle pulled from a 1993 Peterbilt 378. Average signs of wear/use, strap and saddle are in good used condition, see pictures. Saddle...

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	7326
MLS Number	12354028
Category	Fuel Tank Straps & Brackets
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

4 0

1993 Peterbilt 378 Fuel Tank Strap / Bracket

$295 USD

Peterbilt 26" diameter fuel tank strap and corresponding saddle pulled from a 1993 Peterbilt 378. Average signs of wear/use, strap and saddle are in very good used condition, see pictures....

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	7325
MLS Number	12354027
Category	Fuel Tank Straps & Brackets
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

5 0

1993 Peterbilt 378 Frame

$200 USD

Steel crossmember off of a 1993 Peterbilt 378. In good used condition - no bends or cracks (see pictures). Comes with both steel gussets. Part measures 33" total.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6089
MLS Number	12301805
Category	Frames
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

6 0

1993 Peterbilt 378 Frame

$200 USD

Steel crossmember off of a 1993 Peterbilt 378. In good used condition - no bends or cracks (see pictures). Comes with both steel gussets. Part measures 33" total.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6087
MLS Number	12301803
Category	Frames
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

9 0

1993 Peterbilt 378 Right Engine Mount

$115 USD

Right side rear engine support motor mount pulled from a 1993 Peterbilt 378; motor mount includes pad both parts are in good used condition. OEM P/N K234-2368R

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	4502
MLS Number	12300560
Category	Engine Mounts
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

4 0

2006 Peterbilt 378 Left Door Mirror

$200 USD

Driver side mirror bracket and "loop" pulled from a 2006 Peterbilt 378. Mount is damaged as pictured and will need to be replaced. Bracketry components appear to be in very good shape.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	4141
MLS Number	12300195
Category	Door Mirrors
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

1 0

Peterbilt 378 Grille

$815 USD

Aftermarket stainless steel grill surround for Peterbilt 378 SFA SBA with holes.

Quantity	4
Condition	New
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	PG0160H
MLS Number	12299846
Category	Grilles
Last Updated	4/29/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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2 0

1996 Peterbilt 378 Dashboard Assembly

$985 USD

(USED) Peterbilt 378 Engine: CAT 3406E 14.6L Brake Type: AIR Tran Type: MANUAL Type: SHELL STRUCTURE ONLY SHELL DASH STRUCTURE ONLY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25408482
MLS Number	12044769
Category	Dashboards
Last Updated	4/18/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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3 0

Peterbilt 378 Right Bracket

$140 USD

01-49257R KNEE-ENGINE SPRT FRONT RH

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	4570
MLS Number	12874286
Category	Brackets, Misc.
Last Updated	4/10/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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4 0

Peterbilt 378 Suspension Crossmember / K-Frame

$1,000 USD

01-46370M003 CROSSMEMBER-RADIATOR, NO HOOK OR STABILIZER BARS, BLASTED, ZINC PRIMED, POWDER COATED BLACK

Quantity	7
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	99191
MLS Number	12142655
Category	Suspension Crossmembers / K-Frames
Last Updated	4/9/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

(888) 693-___ SHOW
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19 0

1992 Peterbilt 378 Cab Assembly

$2,750 USD

1992 Peterbilt Day Cab , Painted green and white , Complete cab , Driver side mirror is damaged , There is also minimal damage to the back of the cab that can be notice in...

Condition	Used
Part Number	378 Cab
MLS Number	12344877
Category	Cabs
Last Updated	3/25/2025
Location	Mineral, VA, US
Sold By	Inside Auto Parts