Paccar PX-9 Truck Parts For Sale

Paccar PX-9 Engine Control Module (ECM) for a 2016 Peterbilt 348

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(Used) 2016 PACCAR PX-9, ENGINE ECM- Part Number: 5317106, Serial Number: 5028341, ECM CODE: EB90083.08, ESN: 73868544, P5317106, 1T2350A05028341, T1795, For more information about this item...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	348
Will Fit Year(s)	2016
Part Number	5317106
Stock Number	P-497462
MLS Number	14149101
Category	Engine Control Modules (ECM)
Last Updated	2/18/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Engine Control Module (ECM) for a 2021 Peterbilt 348

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(Used) 2021 PACCAR PX-9, ENGINE ECM- Part Number: 4384413, Serial Number: 22631285, ECM CODE: HB80546.01, ESN 74681163, P4384413, 1T2350A22631285, T1740, 2 Rectangular Plug with 96 Pins...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	348
Will Fit Year(s)	2021
Part Number	4384413
Stock Number	P-497316
MLS Number	14147147
Category	Engine Control Modules (ECM)
Last Updated	2/17/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Engine Control Module (ECM) for a 2021 Kenworth T370

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(Used) 2021 PACCAR PX-9, ENGINE ECM- Part Number: 4384413, Serial Number: 22621748, ECM CODE: HB80565 01, ESN: 74671395, P4384413, 1T2350A22621748, T1310, 2 Rectangular Plug with 96 Pins...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T370
Will Fit Year(s)	2021
Part Number	4384413
Stock Number	P-497079
MLS Number	14144375
Category	Engine Control Modules (ECM)
Last Updated	2/18/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Engine Control Module (ECM) for a 2018 Peterbilt 337

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(Used) 2018 Paccar PX-9, ENGINE ECM- Part Number: 4384413, Serial Number: 22093993, ECM: CODE: HB80007 19, ESN: 74239533. P4384413, 1T2350A22093993, T3227, 2 Rectangular Plug with 96 Pins...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	337
Will Fit Year(s)	2018
Part Number	4384413
Stock Number	P-497013
MLS Number	14144308
Category	Engine Control Modules (ECM)
Last Updated	2/18/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(305) 688-___ SHOW
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2014 Paccar PX-9 Engine, CPL 3663, ISL9, 380HP

$16,500 USD

(GOOD USED TEST RUN INTERNALLY INSPECTED) 2014 Paccar PX-9 Diesel Engine For Sale, ISL9, CPL# 3663, 380HP Family# ECEXH0540LAV, Engine Serial# 73733855, ISL9, CM2350 L101, EPA13, Engine...

Warranty

Condition	Used
CPL/ARR	3663
Horse Power	380 HP
Part Number	ISL9, CPL# 3663, 380HP
Stock Number	9771
MLS Number	14143071
Category	Engines
Last Updated	2/13/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

(844) 385-___ SHOW
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2014 Paccar PX-9 Engine

$17,500 USD

(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2014 Paccar PX9 Diesel Engine (EPA 13), CPL: 3664, HP RATING: 350HP @ 1900 RPM, Service Model Name: ISL9 CM2350 L101, Displacement: 8.9L, Engine...

Condition	Used
Usage	42,801 Miles
Part Number	CPL 3664
Stock Number	006751
MLS Number	14135021
Category	Engines
Last Updated	2/12/2026
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2019 Used Paccar PX9 Rear Engine Mount

$115 USD

Used PX9 Rear Engine Mount, Position: Rear, Type: Engine Mount, Material: Steel

Quantity	2
Condition	Used
Fits To Make(s)	Paccar
Fits To Model(s)	PX9
Will Fit Year(s)	2019
Part Number	D626067
Stock Number	548-13239
MLS Number	13073917
Category	Engine Mounts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2015 Used Paccar PX9 Valve Cover

$89.99 USD

Used PX9 Valve Cover, Side: N/A, Material: Aluminum

Condition	Used
Fits To Make(s)	Paccar
Fits To Model(s)	PX9
Will Fit Year(s)	2015
Side	N/A
Part Number	5263811
Stock Number	556-11623
MLS Number	13227207
Category	Valve Covers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Paccar PX9 Filter Support Bracket

$50 USD

Used PX9 Filter Support Bracket, Type: Filter Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Paccar
Fits To Model(s)	PX9
Part Number	5259459
Stock Number	502-17695
MLS Number	13106801
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 541-___ SHOW
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Paccar PX-9 Engine for a 2023 Kenworth T400

$19,995 USD

PX9/L9 GOOD LOW MILE ENGINE ASSEMBLY/ WILL TEST RUN/CHECK ROD AND MAIN BEARINGS. 180 DAY WARRANTY ON HEAD/BLOCK/CRANK,PX9 AND L9 ARE THE SAME ENGINE, Serial#: 74923368, Core Charge: 3500.00,...

Condition	Used
CPL/ARR	5299
Horse Power	350 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T400
Will Fit Year(s)	2023
Part Number	CM2450 ISL9 L9
Stock Number	11326-2
MLS Number	14104462
Category	Engines
Last Updated	2/12/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 614-___ SHOW
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2014 Paccar PX-9 Engine for a Peterbilt 337

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Complete Engine Assembly, Good Condition. Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	337
Stock Number	79171
MLS Number	14096455
Category	Engines
Last Updated	1/17/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

Paccar PX-9 Intake Manifold

$75 USD

Good used, cleaned and inspected Paccar Px-9 intake manifold. Part number: 5285777.

Quantity	2
Condition	Used
Fits To Make(s)	PACCAR
Fits To Model(s)	PX-9
Part Number	5285777
Stock Number	Ryd 5285777
MLS Number	13741386
Category	Intake Manifolds
Last Updated	1/17/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Paccar PX-9 Engine Core

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(CORE) Enegine Does Turn 360 Degrees Complete, PACCAR PX-9 ,ENGINE ASSEMBLY- Displacement: 8.9L, Horsepower: 370, Ar.No./CPL: 4758, Part Number: E6HM3ABUES3A3R3032, E.C.S: EGR, PTOX, SCRC,...

Condition	Used
Horse Power	370 HP
Part Number	E6HM3ABUES3A3R3032
Stock Number	P-494041
MLS Number	14088153
Category	Engine Cores
Last Updated	1/22/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Fuel / Water Separator for a 2021 Kenworth T370

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(Used) 2021 Kenworth T370, WATER SEPARATOR- Side: Driver Left Side, Make: Fleetguard, Model: FS1003, Engine: Paccar PX-9, For more information about this item, give us a call. We ship...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T370
Will Fit Year(s)	2021
Stock Number	P-493309
MLS Number	14077478
Category	Fuel / Water Separators
Last Updated	1/8/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Fan Clutch for a 2017 Kenworth T370

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(Used) 2017 Kenworth T370, FAN CLUTCH- Price is for Fan Clutch ONLY- Picture is for display only, Type: Air, Material: Aluminum, Less Fan Sold Separately, Reference images for condition, For...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T370
Will Fit Year(s)	2017
Stock Number	P-492873
MLS Number	14070670
Category	Fan Clutches
Last Updated	1/4/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Fuel / Water Separator for a 2017 Kenworth T370

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(Used) 2017 Kenworth T370, WATER SEPARATOR- Part Number: P551103, Side: Driver Left Side, Make: Fleetguard, Model: TBD, Engine: Paccar PX-9, For more information about this item, give us a...

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T370
Will Fit Year(s)	2017
Part Number	P551103
Stock Number	P-492867
MLS Number	14070664
Category	Fuel / Water Separators
Last Updated	1/4/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Engine Wiring Harness

$650 USD

Good used, cleaned and inspected Paccar PX-9 engine wiring harness. Part number: 5333470.

Condition	Used
Fits To Make(s)	PACCAR
Fits To Model(s)	PX-9
Stock Number	1061635
MLS Number	13697774
Category	Engine Wiring Harnesses
Last Updated	1/3/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Paccar PX-9 Engine for a 2017 Kenworth T370

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(Used) 2016 PACCAR PX-9 ENGINE ASSEMBLY- Family Number: GCEXH0540LAV, Displacement: 8.9L, Horsepower: 350, CPL: 4612, Serial Number: 74056671, Part Number: 5361336, E.C.S.: EGR, PTOX, SCRC,...

Condition	Used
CPL/ARR	4612
Horse Power	350 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T370
Will Fit Year(s)	2017
Part Number	5361336
Stock Number	P-492781
MLS Number	14069600
Category	Engines
Last Updated	2/11/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Paccar PX-9 Fuel / Water Separator

$25 USD

Good used, cleaned and inspected Paccar PX-9 fuel filter base assembly. Part number: 3965155.

Condition	Used
Fits To Make(s)	PACCAR
Fits To Model(s)	PX-9
Part Number	3965155
Stock Number	Ryd 3965155
MLS Number	13741384
Category	Fuel / Water Separators
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Paccar PX-9 Valve Cover

$75 USD

Good used, cleaned and inspected Paccar PX-9 valve cover. Part number: 5263811.

Condition	Used
Fits To Make(s)	PACCAR
Fits To Model(s)	PX-9
Part Number	5263811
Stock Number	Ryd 5263811
MLS Number	13741383
Category	Valve Covers
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Paccar PX-9 Engine Core

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(Core) Engine does Turn 360 Degrees Complete, Paccar PX-9, ENGINE ASSEMBLY- Family Number: FCEXH0540LAV, Displacement: 8.9L, Horsepower: 350, Serial Number: 73917349, CPL: 4525, Reference...

Condition	Used
Horse Power	350 HP
Stock Number	P-492493
MLS Number	14067752
Category	Engine Cores
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Used Paccar PX9 Engine Wiring Harness

$200 USD

Used PX9 Engine Wiring Harness, Type: Engine Wiring Harness

Condition	Used
Fits To Make(s)	Paccar
Fits To Model(s)	PX9
Part Number	5333470
Stock Number	514-12704
MLS Number	14020750
Category	Engine Wiring Harnesses
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Paccar PX-9 Knox Sensor with Module, Part # 4326873

$100 USD

Used takeout Paccar PX-9 Knox sensor with module. Part number: 4326873. Sold as is. No warranty.

Condition	Used
Fits To Make(s)	PACCAR
Part Number	4326873
Stock Number	Ryd 4326873
MLS Number	13928143
Category	Engine Miscellaneous Parts
Last Updated	3/22/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Paccar PX-9 Engine Core

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(Core) Engine does not Turn 360 Degrees Complete, 2019 PACCAR PX-9, ENGINE ASSEMBLY- Family Number: KCEXH0540LAX, Displacement: 8.9L, Horsepower: 300, Ar.No./CPL: 4759, Serial Number:...

Condition	Used
Horse Power	300 HP
Stock Number	P-113079
MLS Number	13907573
Category	Engine Cores
Last Updated	10/27/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts