1. Home
  2. For Sale
  3. Truck Parts
  4. Engine & Powertrain
  5. Caterpillar
  6. 3126

Caterpillar 3126 Engine & Powertrain For Sale

The Caterpillar 3126 ranges in price from as low as $10 up to $2,500 based on MyLittleSalesman.com marketplace data.
Close
Your Current Search
Industry
Truck Parts
Category
Engine & Powertrain
Manufacturer
Caterpillar
Model
3126
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Truck Parts (617)
Category
Engine & Powertrain (617)
   Belt Tensioners (4)    Cam Followers (10)    Cam Gears (1)    Camshaft Housings (2)    Camshafts (27)    Crankshafts (30)    Cylinder Heads (35)    Cylinder Rods (1)    Engine Air Compressors (15)    Engine Blocks / Cylinder Blocks (13)    Engine Brackets (21)    Engine Brakes / Jake Brakes (2)    Engine Control Modules (ECM) (128)    Engine Cores (15)    Engine Covers (2)    Engine Gears (5)    Engine Harmonic Balancers (14)    Engine Miscellaneous Parts (3)    Engine Mounts (42)    Engine Oil Coolers (17)    Engine Oil Dipsticks (2)    Engine Oil Filter Bases (2)    Engine Oil Pans (32)    Engine Oil Pickup Tubes (5)    Engine Oil Pumps (18)    Engine Overhaul Kits (1)    Engine Plumbing (2)    Engine Pulleys (3)    Engine Rods (2)    Engine Thermostat Housings (5)    Engine Valve Trains (1)    Engine Valves & Parts (1)    Engine Wiring Harnesses (3)    Front Engine Covers (29)    Governors (1)    Intake Manifolds (38)    Manifolds (1)    Pistons & Rod Parts (8)    Push Rods (2)    Rocker Arms (15)    Rocker Housings (1)    Timing Covers (13)    Turbo Parts (2)    Turbochargers / Superchargers (43)
Make
Caterpillar (617)
Condition
Model Year
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Price
-
Country
State / Region
Select a country to view available states.
Seller Type
Dealerships (617)
Market Type
For Sale (617)

Shop Engine & Powertrain by Subcategory

Quick Filters

Showing 1 - 25 of 617 Listings

1 - 25 of 617 listings
1 - 25 of 617 listings
Caterpillar 3126 Turbocharger / Supercharger

Caterpillar 3126 Turbocharger / Supercharger

Recently Updated
$750 USD
Good used Turbocharger from a Caterpillar 3126 engine. The Turbo charger has been visually inspected and is in good condition. The Turbocharger has chipped paint and rust. The fittings are...
ConditionUsed
Part NumberP-1013460
Stock NumberP-1013460
MLS Number13769002
CategoryTurbochargers / Superchargers
Last Updated4/3/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
NUMBERCall Seller
Email Seller
Save
River Valley Truck Parts
Caterpillar 3126 Engine Control Module (ECM) for a 2004 Sterling ACTERRA

Caterpillar 3126 Engine Control Module (ECM) for a 2004 Sterling ACTERRA

Contact for price
(USED) 2003 CATERPILLAR 3126/CFE ECM ESN# HEP34513 P/N 205-2700-002 S/N 130361631K HP: 275 ENGINE MODEL: CAT 3126/CFE CPL: 231-5407 PIN COUNT: 70/70 To find out more about this ECM, give us...
ConditionUsed
CPL/ARR231-5407
Fits To Make(s)Sterling
Fits To Model(s)ACTERRA
Will Fit Year(s)2004
Part Number205-2700-02
Stock NumberP-14707
MLS Number10169867
CategoryEngine Control Modules (ECM)
Last Updated3/22/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Caterpillar 3126 Engine Control Module (ECM) for a 2003 GMC C6500

Caterpillar 3126 Engine Control Module (ECM) for a 2003 GMC C6500

$695 USD
(USED) 2001 CATERPILLAR 3126 ECM ESN# CKM02496 P/N 206-2700-02 S/N 150360921K HP: 175 ENGINE MODEL: 3126 CPL: 201-6314 PIN COUNT: 70/70 To find out more about this ECM, give us a call. We...
ConditionUsed
CPL/ARR201-6314
Horse Power175 HP
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2003
Part Number206-2700-02
Stock NumberP-12732
MLS Number10106587
CategoryEngine Control Modules (ECM)
Last Updated3/22/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Caterpillar 3126 Engine Control Module (ECM) for a 2004 Thomas Built

Caterpillar 3126 Engine Control Module (ECM) for a 2004 Thomas Built

Contact for price
(Used) 2004 Caterpillar 3126. ECM. S/N-06690049FV P/N-157-3708-00 HP-N/A Engine Model-3126 CPL-N/A PIN-70/70 For more information about this item call. We ship worldwide. 929 W Pulaski Hwy...
ConditionUsed
Horse Power0 HP
Fits To Make(s)Thomas Built
Will Fit Year(s)2004
Part Number157-3708-00
Stock NumberP-7604
MLS Number9856973
CategoryEngine Control Modules (ECM)
Last Updated3/22/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Caterpillar 3126 Vibration Damper

Caterpillar 3126 Vibration Damper

$100 USD
Good used Harmonic balancer from a Caterpillar 3126 engine. The Harmonic balancer has been visually inspected and is in good condition. The Harmonic balancer has chipped paint and corrosion....
ConditionUsed
Part NumberP-1013729
Stock NumberP-1013729
MLS Number13815384
CategoryEngine Harmonic Balancers
Last Updated3/11/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
NUMBERCall Seller
Email Seller
Save
River Valley Truck Parts
Caterpillar 3126 Engine Control Module (ECM) Part # 9X5566-07, 40-PIN, 1WN Serial

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...
ConditionUsed
Part Number9X5566 07
Stock Number8236
MLS Number13242384
CategoryEngine Control Modules (ECM)
Last Updated3/11/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
Email Seller
Save
CA Truck Parts Inc.
Caterpillar 3126 Engine Control Module (ECM) Part # 9X5566-04, 40-PIN, 1WN Serial

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...
ConditionUsed
Part Number9X5566 04
Stock Number8127
MLS Number13202014
CategoryEngine Control Modules (ECM)
Last Updated3/11/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
Email Seller
Save
CA Truck Parts Inc.
Caterpillar 3126 Engine Control Module (ECM) Part # 145-7807-01, 6RW Serial, 40-PIN ECM

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,...
ConditionUsed
MLS Number13212183
CategoryEngine Control Modules (ECM)
Last Updated3/11/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
Email Seller
Save
CA Truck Parts Inc.
Caterpillar 3126 Engine Control Module (ECM) Part # 145-7807-00, 1WM Serial, 40-PIN ECM

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 #...
ConditionUsed
Part Number145 7807 00
Stock Number8091
MLS Number13214240
CategoryEngine Control Modules (ECM)
Last Updated3/11/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
Email Seller
Save
CA Truck Parts Inc.
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No