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Mack E7-300 Engine & Powertrain For Sale

Shop used Mack E7-300 Engine & Powertrain on MyLittleSalesman.com . Compare active listings with prices from $40 to $500. Sellers include River Valley Truck Parts and CA Truck Parts. Filter by condition, price, or year to find the Mack E7-300 that fits your job.
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Truck Parts (11)
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Engine & Powertrain (11)
   Cylinder Heads (2)    Engine Blocks / Cylinder Blocks (2)    Engine Miscellaneous Parts (3)    Engine Oil Pumps (1)    Pistons & Rod Parts (1)    Rocker Arms (1)    Valve Covers (1)
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   E7-300 (11)
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Showing 1 - 11 of 11 Listings

1 - 11 of 11 listings
1 - 11 of 11 listings
Mack E7-300 Engine Block / Cylinder Block

Mack E7-300 Engine Block / Cylinder Block

$500 USD
This Mack E7 block is used and in good condition. Casting number 238GB5536M Please see pictures. If you have any questions feel free to give us a call or send us a message., Serial#:...
ConditionUsed
Fits To Make(s)Mack
Part Number238GB5536M P-5659
Stock NumberP-5659
MLS Number9767674
CategoryEngine Blocks / Cylinder Blocks
Last Updated5/14/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Cylinder Head

Mack E7-300 Cylinder Head

$500 USD
Good used, visually inspected Block from a Mack E7 engine. Application, year, miles and/or hours are all unknown. Block has been inspected and all bearing surfaces look good. There are...
ConditionUsed
Fits To Make(s)Mack
Part NumberP-10427
Stock NumberP-10427
MLS Number11349222
CategoryCylinder Heads
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Engine Block / Cylinder Block for a 2005 Freightliner M2 106

Mack E7-300 Engine Block / Cylinder Block for a 2005 Freightliner M2 106

$500 USD
Good, used block from a Mack E7-300 engine. The block has been visually inspected and is in good condition. The block has minor rust on the exterior. The bolt holes are clean and clear from...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)M2 106
Will Fit Year(s)2005
Part Number220701-13
Stock Number220701-13
MLS Number12246890
CategoryEngine Blocks / Cylinder Blocks
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Cylinder Head for a 2002 Mack LE613

Mack E7-300 Cylinder Head for a 2002 Mack LE613

$350 USD
This Mack, E7-300, Front Cylinder Head is used and in good condition. Visually Inspected. Has NOT been tested. Casting Number on part is (732GB). Please see pictures. Please call or email...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)LE613
Will Fit Year(s)2002
Part NumberP-4771
Stock NumberP-4771
MLS Number9635281
CategoryCylinder Heads
Last Updated5/14/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Rocker Arm for a 1999 Mack MR688S

Mack E7-300 Rocker Arm for a 1999 Mack MR688S

$125 USD
Good Used, Mack, E7-300, Rocker Arm Assembly. Casting Number on part is (146GB335). Please see pictures. Please call or email with any questions., Serial#: 146GB335, Core Charge: 0.00,...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MR688S
Will Fit Year(s)1999
Part NumberP-4787
Stock NumberP-4787
MLS Number9635297
CategoryRocker Arms
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Rod and Piston for 1999 Mack MR688S, Part # P-4774

Mack E7-300 Rod and Piston for 1999 Mack MR688S, Part # P-4774

$100 USD
Good Used, Mack, E7-300, Rod and Piston, Casting Number on Rod is (F545). Number on Piston (P5 282H01) (182GC2223-BN). (Engine S/N#. 9d3767). Please see pictures. Please call or email with...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MR688S
Will Fit Year(s)1999
Part NumberP-4774
Stock NumberP-4774
MLS Number9635284
CategoryPistons & Rod Parts
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Engine Oil Pump for a 1999 Mack MR688S

Mack E7-300 Engine Oil Pump for a 1999 Mack MR688S

$100 USD
Good Used, Mack, E7-300, Oil Pump and Pickup Tube. Casting Number on Pump is (767GB54M) (767GB56M). Number on Pickup (497GB440). (Engine S/N#. 9d3767). Please see pictures. Please call or...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MR688S
Will Fit Year(s)1999
Part NumberP-4780
Stock NumberP-4780
MLS Number9635290
CategoryEngine Oil Pumps
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Breather Housing for 1999 Mack MR688S, Part # P-4789

Mack E7-300 Breather Housing for 1999 Mack MR688S, Part # P-4789

$50 USD
Good Used, Mack, E7-300. Breather Housing. Casting number on part is (191GC433). Please see pictures. Please call or email with any questions., Serial#: 191GC433, Core Charge: 0.00, Casting#...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MR688S
Will Fit Year(s)1999
Part NumberP-4789
Stock NumberP-4789
MLS Number9635299
CategoryEngine Miscellaneous Parts
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Mack E7-300 Coolant Elbow Piece for a 1999 Mack MR688S, Part # P-4784

Mack E7-300 Coolant Elbow Piece for a 1999 Mack MR688S, Part # P-4784

$40 USD
Good Used, Mack, E7-300. Coolant Elbow Piece. Please see pictures. Please call or email with any questions., Serial#: n/a, Core Charge: 0.00, Casting#: n/a
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MR688S
Will Fit Year(s)1999
Part NumberP-4784
Stock NumberP-4784
MLS Number9635294
CategoryEngine Miscellaneous Parts
Last Updated6/13/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
2001 Mack E7-300 Valve Cover Part # 337GB537

2001 Mack E7-300 Valve Cover Part # 337GB537

$125 USD
(GOOD USED) 2001 OEM Mack ETEC E7-300 4MR2780 Diesel Engine Valve Cover 337GB537 For Sale, HP: 300, Part # 337GB537, Family: 1MKXH11.9V60, Other Part # 11GBA41558P1, Serial # 1D0384, Stock #...
ConditionUsed
Part Number337GB537
Stock Number6239
MLS Number12410890
CategoryValve Covers
Last Updated10/31/2023
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
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CA Truck Parts Inc.
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