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Condition: Used
Stock Number: 9284
Serial Number: 4S3262
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2004 Mack AI Diesel Engine For Sale, AI-370, 400HP MAX, Fits 2004 2005 2006, Exhaust Family # EM, EC,...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 2863
Serial Number: 4U2114
Description: (GOOD USED) 2004 Mack AI Diesel Engine For Sale, 400HP, Fits 2004 2005 2006, Exhaust Family # EM, EC, TC, CAC, DI, SPL,1EGR, 6 Cylinders, 11.9L Tur...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 2742
Serial Number: 4A0542
Description: (GOOD USED) 2004 Mack AI Diesel Engine For Sale, MAX 400HP, Fits 2004 2005 2006, Exhaust Family # EM, EC, TC, CAC, DI, SPL,1EGR, 6 Cylinders, 11.9L...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 9706
Serial Number: 2S0510
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2003 Mack AI-400 Diesel Engine For Sale, Family # 3MKXH11.9V65, AI-400, 11GBA# 15765YP1, 400HP @ 195...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 9801
Serial Number: 2N3461
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2003 Mack AI Diesel Engine For Sale, NON-EGR, 300HP @ 1950RPM, MAX 400HP, DRIVERS SIDE ECM, Family# ...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 2982
Serial Number: 2S0483
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2003 Mack AI-300A Diesel Engine For Sale, NON-EGR, 300HP @ 1950RPM, PASSENGER SIDE ECM, MAX 400HP, F...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 3218
Serial Number: 2S1941
Description: (GOOD USED) 2003 Mack AI Diesel Engine For Sale, 350HP @ 1950RPM, NON-EGR Model, MAX 400HP, Family# 3MKXH11.9V65, 11GBA# 15806YP1, 728 Displacement...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 3640
Serial Number: 3N1335
Description: (GOOD USED) 2003 Mack AI Diesel Engine For Sale, 300HP, 400HP MAX, NON-EGR Model, Family# 3MKXH11.9V65, DRIVERS SIDE ECM, Exhaust: EM, EC, TC, CAC,...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 3589
Serial Number: 3M1314
Description: (GOOD USED) 2003 Mack AI Diesel Engine For Sale, 400HP MAX, NON-EGR Model, Family# 3MKXH11.9V65, DRIVERS SIDE ECM, Exhaust: EM, EC, TC, CAC, DI, SP...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 2985
Description: (GOOD USED) 2003 Mack AI Diesel Engine For Sale, 400HP MAX, NON-EGR Model, 11.9L, 6 Cylinders, Turbocharged, DRIVERS SIDE ECM, Stock #2985
WAT...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 3087
Serial Number: 3M1012
Description: (GOOD USED) 2003 Mack AI Diesel Engine For Sale, 400HP MAX, NON-EGR MODEL, Engine Family 3MKXH11.9V65, Exhaust: EM, EC, TC, CAC, DI, SPL, 1EGR, 11....
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 9379
Serial Number: 2R2798
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2002 Mack AI Diesel Engine For Sale, 300HP @ 1950RPM, MAX 400HP, 728 Displacement, AI-300A, Family# 2...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 2984
Serial Number: 101068
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2001 Mack AI Diesel Engine, NON-EGR, MAX 400HP, 11.9L Displacement, 6 Cylinders, Turbocharged, Serial...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 1073277
Serial Number: 1M1AA18Y7YW132571
Shipping Weight: 1,215.63 kg
Description: Used takeout Mack ETEC CORE exchange engine assembly with jake brake. Turns 360. Tmu. No start. New style oil cooler. Missing wiring harness and EC...
Updated: Tuesday, September 08, 2026 10:24 PM
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 2
Condition: Used
Stock Number: Ryd 337GB545
Shipping Length: 50.8 cm
Shipping Width: 20.32 cm
Shipping Height: 30.48 cm
Description: Good used, cleaned and inspected Mack AI valve cover, Part number: 337GB545
Updated: Wednesday, September 23, 2026 10:17 PM
Location: Springfield, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 22
Condition: Used
Stock Number: Ryd F5454267M
Shipping Length: 91.44 cm
Shipping Width: 20.32 cm
Shipping Height: 20.32 cm
Description: Good used, cleaned and inspected Mack AI connecting rods. Part number: F5454267M. 30 day guarantee for swap or refund.
Updated: Wednesday, September 09, 2026 10:17 PM
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Quantity: 15
Condition: Used
Stock Number: Ryd P5454267M
Shipping Length: 40.64 cm
Shipping Width: 17.78 cm
Shipping Height: 7.62 cm
Description: Good used, cleaned and inspected Mack ETEC connecting rod, Part number: P5454267M. 30 Day guarantee for swap or refund.
Updated: Tuesday, September 08, 2026 10:18 PM
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: 31177
Description: USED MACK ETEC FRONT COVER. P/N: 333GB5131M
Updated: Wednesday, August 26, 2026 08:02 AM
Location: Crandall, Texas, USA
Seller: Tim Jordan's Truck Parts, Inc
Quantity: 6
Condition: Used
Stock Number: Ryd 335-P2/53M/54M
Shipping Length: 12.7 cm
Shipping Width: 40.64 cm
Shipping Height: 7.62 cm
Description: Used take off Mack AI Rocker Assembly. Part number: 335-P2/53M/54M
Updated: Tuesday, September 08, 2026 10:18 PM
Location: Fitchburg, Massachusetts, USA
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: 17678
Description: 2004 Mack AI300 diesel engine, turbocharged, 12 liter displacement, air to air aftercooled, 111,910 total original miles, 5,720 hours. Removed from...
Updated: Sunday, August 02, 2026 02:51 PM
Location: Carbondale, Pennsylvania, USA
Seller: Old Forge Power Equipment Inc.
Condition: Used
Stock Number: 12634
Description: Complete take out
Updated: Wednesday, September 09, 2026 02:31 PM
Location: Port Perry, Ontario, Canada
Seller: Langilles Truck Parts
Condition: Used
Description: 243K MILES, GOOD RUNNER, 335HP, REPTO, '03
Updated: Monday, August 10, 2026 01:35 PM
Location: Lakeville, Minnesota, USA
Seller: MANDERS DIESEL REPAIR INC
Condition: Used
Stock Number: 1A1E49811
Serial Number: 1M2AL02C77M005763
Description: ENGINE FOR PARTS
Updated: Monday, September 14, 2026 09:12 AM
Location: Sainte-Julie, Quebec, Canada
Seller: Lussicam
Condition: Used
Stock Number: 20A1E49811
Serial Number: 1M2AL02C77M005763
Description: CORE
Updated: Monday, September 14, 2026 09:12 AM
Location: Sainte-Julie, Quebec, Canada
Seller: Lussicam
Condition: Used
Stock Number: 72A1E49811
Serial Number: 1M2AL02C77M005763
Description: USED,QUALITY B, total diameter: 20, clutch diametre: 15 1/2, core diameter:10, specification: 350 HP @ 1950 HP
Updated: Monday, September 14, 2026 09:12 AM
Location: Sainte-Julie, Quebec, Canada
Seller: Lussicam
Condition: Used
Stock Number: P-32469
Serial Number: 1M2K189C96M028295
Description: (Used) 2006 Mack AI-350, ENGINE ASSEMBLY- Family Number: 5MKXH11.9V65 Displacement: 11.9L, Horsepower: 350 ESN: 5G3002 Reference images for condit...
Updated: Monday, August 03, 2026 07:16 AM
Location: Elkton, Maryland, USA
Seller: Complete Recycling Group - Heavy Truck Parts
Condition: Used
Stock Number: 1397
Serial Number: 5B114
Description: (GOOD USED) 2005 Mack AI-350 Diesel Engine For Sale, 11GBA# 24784YP1, 350HP, 11.9L, Engine Family # 5MKXH11.9V65, Low Miles, Exhaust Family # EM, E...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Serial Number: 3C1523
Description: 2003 Mack AI350 engine - serial: 3C1523 - a good running takeout engine that has been inspected and tested
Updated: Thursday, August 20, 2026 08:52 AM
Location: Tampa, Florida, USA
Seller: Ben Truck Parts