Caterpillar 3126 Engine &amp; Powertrain For Sale

(833) 396-___ SHOW
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Caterpillar 3126 Engine Control Module (ECM)

$875 USD

Used Caterpillar 3126 ECM, ECU P/N 206-2700-02 - tested, guaranteed programmable.

Condition	Used
Horse Power	210 HP
Stock Number	7039
MLS Number	10257572
Category	Engine Control Modules (ECM)
Last Updated	4/1/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(855) 794-___ SHOW
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Caterpillar 3126B Crankshaft

$650 USD

3126B Crankshaft (STD/STD), Small Mark From Rust on #7 Main, Cast# 2223900,

Condition	Used
Stock Number	4536397
MLS Number	13888869
Category	Crankshafts
Last Updated	3/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Caterpillar 3126 Engine Control Module (ECM) Part # 9X5566-07, 40-PIN, 1WN Serial

$1,950 USD

(GOOD USED / BENCH TESTED W/ WARRANTY) Caterpillar 3126 Part # 9X5566-07 ECM For Sale, 40-PIN ECM, 1WM Serial Prefix, Part # 9X5566 07, 9X556607, UKNMDK-NR, Compatible Part # 145-7807, 145...

Condition	Used
Part Number	9X5566 07
Stock Number	8236
MLS Number	13242384
Category	Engine Control Modules (ECM)
Last Updated	3/11/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Caterpillar 3126 Engine Control Module (ECM) Part # 9X5566-04, 40-PIN, 1WN Serial

$1,950 USD

(GOOD USED / BENCH TESTED W/ WARRANTY) Caterpillar 3126 Part # 9X5566-04 ECM For Sale, 40-PIN ECM, 1WN Serial Prefix, Part # 9X5566 04, 9X556604, UANLDA-HR, Personality Module Part # 1341292...

Condition	Used
Part Number	9X5566 04
Stock Number	8127
MLS Number	13202014
Category	Engine Control Modules (ECM)
Last Updated	3/11/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Caterpillar 3126 Engine Control Module (ECM) Part # 145-7807-01, 6RW Serial, 40-PIN ECM

$1,950 USD

(GOOD USED / BENCH TESTED W/WARRANTY) Caterpillar 3126 Part # 145–7807-01 ECM For Sale, 40-PIN ECM, 6RW Serial, Part # 145 7807 01, 145780701, Off CAT 3126 40 PIN Engine, ENNLDD-NO,...

Condition	Used
MLS Number	13212183
Category	Engine Control Modules (ECM)
Last Updated	3/11/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Caterpillar 3126 Engine Control Module (ECM) Part # 145-7807-00, 1WM Serial, 40-PIN ECM

$1,950 USD

(GOOD USED BENCH TESTED W/ WARRANTY) Caterpillar 3126 Part # 145-7807-00 ECM For Sale, 40-PIN ECM, 1WM Serial, Part # 145 7807 00, 145780700, Off CAT 3126 40 PIN Engine, Personality #...

Condition	Used
Part Number	145 7807 00
Stock Number	8091
MLS Number	13214240
Category	Engine Control Modules (ECM)
Last Updated	3/11/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

(888) 519-___ SHOW
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Caterpillar 3126 Engine Oil Pan

$200 USD

Good used, cleaned and inspected Caterpillar 3126 Oil Pan. Part Number: 144-3484, 222-5921

Condition	Used
Fits To Make(s)	CATERPILLAR
Fits To Model(s)	3126
Part Number	144-3484
Stock Number	Ryd 144-3484
MLS Number	10204043
Category	Engine Oil Pans
Last Updated	2/19/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(833) 359-___ SHOW
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Caterpillar 3126 Engine Control Module (ECM)

$1,285 USD

USED CAT ECM. 70 PIN. P/N: 206-2700, 348-2377, 240-5303, 10R3571

Condition	Used
Stock Number	37553
MLS Number	13387856
Category	Engine Control Modules (ECM)
Last Updated	2/17/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Used Caterpillar 3126B Gear Housing

$175 USD

Used 3126B Gear Housing, Type: Inner Front Cover

Quantity	3
Condition	Used
Part Number	1283883
Stock Number	507-17834
MLS Number	14118562
Category	Engine Covers
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1997 Used Caterpillar 3126 Turbo Drain

$75 USD

Used 3126 Turbo Drain, Type: Turbo Drain Tube, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1997
Part Number	7C3760
Stock Number	524-13324
MLS Number	13574976
Category	Turbo Parts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar 3126 Shaft Support Bracket

$17 USD

Used 3126 Shaft Support Bracket, Type: Front Support Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	po1631
Part Number	1183827
Stock Number	502-18362
MLS Number	13456450
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar 3126 Tensioner Bracket

$100 USD

Used 3126 Tensioner Bracket, Type: Belt Tensioner Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	po1631
Part Number	1207387
Stock Number	502-18361
MLS Number	13456447
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar 3126 Bracket

$20 USD

Used 3126 Bracket, Type: Engine Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	po1631
Part Number	1231719
Stock Number	502-18359
MLS Number	13459894
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1997 Used Caterpillar 3126 Alt. Support Bracket

$108 USD

Used 3126 Alt. Support Bracket, Type: Alternator Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1997
Part Number	1312206
Stock Number	502-17883
MLS Number	12734216
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1997 Used Caterpillar 3126 Valve Cover

$81 USD

Used 3126 Valve Cover, Side: N/A, Material: Aluminum

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1997
Side	N/A
Part Number	1192962
Stock Number	556-11605
MLS Number	12741425
Category	Valve Covers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1996 Used Caterpillar 3126 Lifting Plate

$50 USD

Used 3126 Lifting Plate, Type: Front Lifting Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1996
Part Number	9Y8950
Stock Number	502-17586
MLS Number	12587779
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1996 Used Caterpillar 3126 Engine Bracket

$30 USD

Used 3126 Engine Bracket, Type: Engine Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1996
Part Number	1231719
Stock Number	502-17585
MLS Number	12598144
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1996 Used Caterpillar 3126 Front Engine Mount

$150 USD

Used 3126 Front Engine Mount, Position: Front, Type: Engine Mount, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1996
Part Number	1136158
Stock Number	548-13023
MLS Number	12587777
Category	Engine Mounts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1996 Used Caterpillar 3126 Engine Mount

$150 USD

Used 3126 Engine Mount, Position: Passenger, Type: Engine Mount, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1996
Part Number	F7HS6096AA
Stock Number	548-13022
MLS Number	12570576
Category	Engine Mounts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar 3126B Fuel Filter Bracket

$100 USD

Used 3126B Fuel Filter Bracket, Type: Filter Bracket, Material: Aluminum

Condition	Used
Part Number	1638702
Stock Number	502-17199
MLS Number	12960977
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1999 Used Caterpillar 3126 Crank Pulley

$129 USD

Used 3126 Crank Pulley, Type: Crankshaft Pulley, Diameter: 8"

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Will Fit Year(s)	1999
Part Number	1181089
Stock Number	521-12135
MLS Number	11905590
Category	Engine Pulleys
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1996 Used Caterpillar 3126B Engine Mount

$77 USD

Used 3126B Engine Mount, Position: Rear, Type: Engine Mount, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126B
Will Fit Year(s)	1996
Part Number	F7HS-6096-AA
Stock Number	548-12528
MLS Number	11476609
Category	Engine Mounts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar 3126B Engine Mount

$216 USD

Used Caterpillar 3126B Engine Mount, Position: Front, Type: Engine Mount, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3126
Part Number	1395158
Stock Number	548-12074
MLS Number	11903845
Category	Engine Mounts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar 3126/C7 A/C-ALT Support

$89.99 USD

Used Caterpillar 3126/C7 A/C-ALT Support, Type: Air Compressor Bracket, Material: Steel

Condition	Used
Part Number	2117870
Stock Number	502-14207
MLS Number	13070925
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts