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Showing 1 - 25 of 7,877 Listings

1 - 25 of 7,877 listings
1 - 25 of 7,877 listings
Caterpillar C9.3 Diesel Engine Control Module ECM ECU 521-0791-02

2018 Caterpillar C9.3 Diesel Engine Control Module ECM ECU 521-0791-02

Newly Listed
$2,000 USD
(GOOD USED/ TESTED) OEM Caterpillar C9.3 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 521-0791-02; Stock #: E4704 For more information about this listing, shipping,...
ConditionUsed
Part Number521-0791-02
Stock NumberE4704
MLS Number14624802
CategoryEngine Control Modules (ECM)
Last Updated9/24/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2006 Caterpillar C13 Engine Control Module (ECM) for 2004-2006 Part # 256-1159

2006 Caterpillar C13 Engine Control Module (ECM) for 2004-2006 Part # 256-1159

Newly Listed
$1,500 USD
(GOOD USED BENCH TESTED) 2006 Caterpillar C13 70-PIN Engine Control Module (ECM) 10R4094 For Sale, OEM PART# 256-1159, 2561159, 256 1159, REMAN Part # 10R-4094, 10R4094-03, Compatible with...
ConditionUsed
Part Number10R4094
Stock Number10345
MLS Number14624799
CategoryEngine Control Modules (ECM)
Last Updated9/24/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar C7 Crankshaft

Caterpillar C7 Crankshaft

Price Drop $375 USD
Good used, machine shop inspected and polished Caterpillar C-7 Crankshaft. Part Number: 222-3900 Machine shop performed the following:, - Run brush down oil hole passages, - Jet wash...
ConditionUsed
Part Number222-3900
Stock NumberRyd 222-3900
MLS Number10896334
CategoryCrankshafts
Last Updated9/24/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Caterpillar 3176 Crankshaft

Caterpillar 3176 Crankshaft

Price Drop $375 USD
Good used, machine shop inspected and polished Caterpillar 3176 Crankshaft. Part Number: 9Y5706, 122-0721, 0R-2827. Machine shop performed the following:, - Run brush down oil hole...
Quantity2
ConditionUsed
Part Number122-0721
Stock NumberRyd 9Y5706
MLS Number10685195
CategoryCrankshafts
Last Updated9/24/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Caterpillar C10 Engine Control Module (ECM) for a Peterbilt 357

2000 Caterpillar C10 Engine Control Module (ECM) for a Peterbilt 357

Recently Updated
$1,745 USD
(USED) CAT C10 Serial #: 3CS14507 CPL/Arr: 189-9535 HP: 335 Ref# 10R7706 TESTED GOOD
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)357
Part Number10R7706
Stock Number25530059
MLS Number12405847
CategoryEngine Control Modules (ECM)
Last Updated9/24/2026
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
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Vander Haag's Inc.
Caterpillar 3126 Diesel Engine Control Module ECM ECU 70-Pin OEM Part# 179-4899 Tested Unit

Caterpillar 3126 Diesel Engine Control Module ECM ECU 70-Pin OEM Part# 179-4899 Tested Unit

Price Drop $699.99 USD
ITEM DESCRIPTION, (TESTED UNIT) FITS TO CATERPILLAR 3126 70-PIN ENGINE CAT PN# 179-4899-02. GUARANTEED TO BE PROGRAMMABLE AND INCLUDES WARRANTY. STOCK# 321384
Warranty
ConditionUsed
Assembly Number1794899-02
Engine Model3126
Fits To Make(s)Caterpillar
Fits To Model(s)3126 70-Pin ECM ECU Computer 179-4899-02
Part Number179-4899-02
Stock Number321384
MLS Number11492267
CategoryEngine Control Modules (ECM)
Last Updated9/22/2026
Location
Rockwood, TN, US
Sold By
Machinery and Truck Parts
(844) 835-___  SHOW
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Machinery and Truck Parts
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