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Cummins ISX12 Fuel System For Sale

Shop used and remanufactured Cummins ISX12 Fuel System on MyLittleSalesman.com . Compare active listings with prices from $25 to $6,960. Sellers include River Valley Truck Parts, CRG Heavy Truck Parts, Garabedian Equipment, and more. Filter by condition, price, or year to find the Cummins ISX12 that fits your job.
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   Fuel / Water Separators (8)    Fuel Filter Bases (5)    Fuel Injection Parts (12)    Fuel Injectors (22)    Fuel Pumps (2)
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Showing 1 - 25 of 49 Listings

1 - 25 of 49 listings
1 - 25 of 49 listings
Used Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-47

Used Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-47

$25 USD
Good used Fuel line from a Cummins ISX12 engine. The fuel line has been visually inspected and is in good condition. The fittings are in good condition. The casting number is not available....
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number250108-47
Stock Number250108-47
MLS Number14425862
CategoryFuel Injection 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
Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-46

Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-46

$25 USD
Good used Fuel line from a Cummins ISX12 engine. The fuel line has been visually inspected and is in good condition. The fittings are in good condition. The casting number is not available....
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number250108-46
Stock Number250108-46
MLS Number14425861
CategoryFuel Injection 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
Cummins ISX12 Fuel Line, Part # 250108-45

2011 Cummins ISX12 Fuel Line, Part # 250108-45

$25 USD
Good used Fuel line from a Cummins ISX12 engine. The fuel line has been visually inspected and is in good condition. The fittings are in good condition. The casting number is not available....
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number250108-45
Stock Number250108-45
MLS Number14425860
CategoryFuel Injection 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
Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-44

Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-44

$25 USD
Good used Fuel line from a Cummins ISX12 engine. The fuel line has been visually inspected and is in good condition. The fittings are in good condition. The casting number is not available....
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number250108-44
Stock Number250108-44
MLS Number14425859
CategoryFuel Injection 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
Used Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-43

Used Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 250108-43

$25 USD
Good used Fuel line from a Cummins ISX12 engine. The fuel line has been visually inspected and is in good condition. The fittings are in good condition. The casting number is not available....
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number250108-43
Stock Number250108-43
MLS Number14425858
CategoryFuel Injection Parts
Last Updated6/26/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2016 Freightliner Cascadia 113

Cummins ISX12 Fuel / Water Separator for a 2016 Freightliner Cascadia 113

$149.99 USD
(Used) 2016 Freightliner Cascadia 113, WATER SEPARATOR, Make: DAVCO, Model: Fuel Pro 382, Engine: Cummins ISX12, For more information about this item, give us a call. We ship Worldwide! ...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 113
Will Fit Year(s)2016
Stock NumberP-15979
MLS Number10218083
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2014 Freightliner Cascadia 113

Cummins ISX12 Fuel / Water Separator for a 2014 Freightliner Cascadia 113

$149.99 USD
(Used) 2014 Freightliner Cascadia 113, WATER SEPARETOR- Make: Davco, Model: Diesel Pro, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 113
Will Fit Year(s)2014
Stock NumberP-37514
MLS Number11825952
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2013 Freightliner Cascadia 113

Cummins ISX12 Fuel / Water Separator for a 2013 Freightliner Cascadia 113

$149.97 USD
(Used) 2013 Freightliner Cascadia 113, WATER SEPARATOR- Part Number: RE37165, Make: Davco, Model: FUEL PRO 382, Engine: Cummins ISX12, Reference images for condition. For more information...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 113
Will Fit Year(s)2013
Part NumberRE37165
Stock NumberP-70233
MLS Number12581738
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 190362-47

Cummins ISX12 Fuel Line for 2011 Kenworth T800, Part # 190362-47

$25 USD
Good, used fuel line off of a Cummins ISX12. Casting number is unavailable. Serial number is unavailable. Please see pictures. For further information feel free to call or email us. We ship...
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2011
Part Number190362-47
Stock Number190362-47
MLS Number10288146
CategoryFuel Injection 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
Cummins ISX12 Fuel / Water Separator for a 2016 Freightliner Cascadia 113

Cummins ISX12 Fuel / Water Separator for a 2016 Freightliner Cascadia 113

Contact for price
(Used) 2016 Freightliner Cascadia 113, WATER SEPARATOR- Side: Driver Left Side, Make: Davco, Model: Fuel Pro 382, Engine: Cummins ISX12, Reference images for condition, For more...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 113
Will Fit Year(s)2016
Stock NumberP-495832
MLS Number14122466
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2016 Freightliner Cascadia 113

Cummins ISX12 Fuel / Water Separator for a 2016 Freightliner Cascadia 113

Contact for price
(Used) 2016 Freightliner Cascadia 113, WATER SEPARATOR- Side: Driver Left Side, Make: Davco, Model: Fuel Pro 382, Engine: Cummins ISX12, For more information about this item, give us a...
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 113
Will Fit Year(s)2016
Stock NumberP-101267
MLS Number13553325
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2016 Peterbilt 365

Cummins ISX12 Fuel / Water Separator for a 2016 Peterbilt 365

Contact for price
(Used) 2016 Peterbilt 365, WATER SEPARATOR- Side: Driver Left Side, Make: PACCAR, Model: TBD, Engine: Cummins ISX12, For more information about this item, give us a call. We ship...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)365
Will Fit Year(s)2016
Stock NumberP-86108
MLS Number13045602
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2014 Kenworth T800

Cummins ISX12 Fuel / Water Separator for a 2014 Kenworth T800

Contact for price
(Used) 2014 Kenworth T800, WATER SEPARATOR- Side: Driver Left Side, Make: PACCAR, Model: TBD, Engine: Cummins ISX12, For more information about this item, give us a call. We ship...
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2014
Stock NumberP-73084
MLS Number12650159
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Fuel / Water Separator for a 2012 Peterbilt 365

Cummins ISX12 Fuel / Water Separator for a 2012 Peterbilt 365

Contact for price
(Used) 2012 Peterbilt 365, WATER SEPARATOR- Make: Davco, Model: Fuel Pro 234, Engine: Cummins ISX12, Reference images for condition, For more information about this item, give us a call. We...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)365
Will Fit Year(s)2012
Stock NumberP-76957
MLS Number12758414
CategoryFuel / Water Separators
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Premium 2897518 (ISX 12) – $450.00+$100.00 Core Charge Free Shipping in all orders

Premium 2897518 (ISX 12) – $450.00+$100.00 Core Charge Free Shipping in all orders

$500 USD
Get your injector with a 11% of discount, regular price $450.00 High-quality Premium remanufactured diesel injector for Cummins ISX 12 Condition:Premium, Core deposit: $100.00 each...
Quantity12
ConditionRemanufactured
Fits To Make(s)Cummins
Fits To Model(s)ISX12
Part Number2897518
Weight4 lb
MLS Number13104728
CategoryFuel Injectors
Last Updated10/7/2025
Location
SACRAMENTO, CA, US
Sold By
DTIS FUEL SYSTEMS LLC
(888) 850-___  SHOW
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DTIS FUEL SYSTEMS LLC
Premium 2897518 (ISX 12) – 6 Injectors Set – $2,700.00 + $600.00 Core Free Shipping in all orders

Premium 2897518 (ISX 12) – 6 Injectors Set – $2,700.00 + $600.00 Core Free Shipping in all orders

$3,000 USD
Get your injector with a 11% of discount, regular price $2,700.00 High-quality Premium remanufactured set of diesel injectors for Cummins ISX12, Condition:Premium, Core deposit: $600.00...
Quantity12
ConditionRemanufactured
Fits To Make(s)Cummins
Fits To Model(s)ISX12
Part Number2897518
Weight24 lb
MLS Number13104729
CategoryFuel Injectors
Last Updated10/7/2025
Location
SACRAMENTO, CA, US
Sold By
DTIS FUEL SYSTEMS LLC
(888) 850-___  SHOW
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DTIS FUEL SYSTEMS LLC
Premium 2872544 (ISX 12) – $450.00 + $100.00 Core Charge Free Shipping in all orders

Premium 2872544 (ISX 12) – $450.00 + $100.00 Core Charge Free Shipping in all orders

$500 USD
Get your injector with a 11% of discount, regular price $450.00 High-quality Premium remanufactured diesel injector for Cummins ISX 12 Condition:Premium, Core deposit: $100.00 each...
Quantity12
ConditionRemanufactured
Fits To Make(s)Cummins
Fits To Model(s)ISX12
Part Number2872544
Weight4 lb
MLS Number13104725
CategoryFuel Injectors
Last Updated10/7/2025
Location
SACRAMENTO, CA, US
Sold By
DTIS FUEL SYSTEMS LLC
(888) 850-___  SHOW
NUMBERCall Seller
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DTIS FUEL SYSTEMS LLC
Premium 2872544 (ISX 12) – 6 Injectors Set – $2,700.00 + $600.00 Core Free Shipping in all orders

Premium 2872544 (ISX 12) – 6 Injectors Set – $2,700.00 + $600.00 Core Free Shipping in all orders

$3,000 USD
Get your injector with a 11% of discount, regular price $2,700.00 High-quality Premium remanufactured set of diesel injectors for Cummins ISX12, Condition:Premium, Core deposit: $600.00...
Quantity12
ConditionRemanufactured
Fits To Make(s)Cummins
Fits To Model(s)ISX12
Part Number2872544
Weight24 lb
MLS Number13104727
CategoryFuel Injectors
Last Updated10/7/2025
Location
SACRAMENTO, CA, US
Sold By
DTIS FUEL SYSTEMS LLC
(888) 850-___  SHOW
NUMBERCall Seller
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DTIS FUEL SYSTEMS LLC
AP55103 ISX 12 REMAN by Alliant Power – SET OF DIESEL INJECTORS – 6 Injectors Set Injector Fuel Supply included for Free – $5,700.00 + $600.00 Core

AP55103 ISX 12 REMAN by Alliant Power – SET OF DIESEL INJECTORS – 6 Injectors Set Injector Fuel Supply included for Free – $5,700.00 + $600.00 Core

$5,160 USD
Get your injector with a 11% of discount, regular price $5,700.00 High-quality REMAN by Alliant Power set of diesel injectors for Cummins ISX12 Injector Fuel Supply included for Free...
Quantity2
ConditionRemanufactured
Fits To Make(s)Cummins
Part NumberAP55103
Weight4
MLS Number13133965
CategoryFuel Injectors
Last Updated10/6/2025
Location
FONTANA, CA, US
Sold By
INAUPA
(833) 620-___  SHOW
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INAUPA
AP55103 ISX 12 Reman by Alliant Power – DIESEL INJECTOR – INJECTOR FUEL SUPPLY INCLUDED FOR FREE – $950.00 + $100.00 Core Charge

AP55103 ISX 12 Reman by Alliant Power – DIESEL INJECTOR – INJECTOR FUEL SUPPLY INCLUDED FOR FREE – $950.00 + $100.00 Core Charge

$860 USD
Get your injector with a 11% of discount, regular price $950.00 High-quality Reman by Alliant Power diesel injector for Cummins ISX 12 Injector Supply Included for Free , Condition: Reman...
Quantity12
ConditionRemanufactured
Fits To Make(s)Cummins
Part NumberAP55103
Weight4
MLS Number13133964
CategoryFuel Injectors
Last Updated10/6/2025
Location
FONTANA, CA, US
Sold By
INAUPA
(833) 620-___  SHOW
NUMBERCall Seller
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INAUPA
2897518 (ISX 12) - Premium Reman Diesel Injector – $450.00 + $100.00 Core Charge Free Shipping in all orders

2897518 (ISX 12) - Premium Reman Diesel Injector – $450.00 + $100.00 Core Charge Free Shipping in all orders

$500 USD
Get your injector with a 11% of discount, regular price $450.00 High-quality premium remanufactured diesel injectors.Twelve (12) months warranty. Condition: Premium Brand:Cummins Policies...
Quantity12
ConditionRemanufactured
Fits To Make(s)Cummins
Part Number2897518
Weight4
MLS Number10504335
CategoryFuel Injectors
Last Updated10/6/2025
Location
FONTANA, CA, US
Sold By
INAUPA
(833) 620-___  SHOW
NUMBERCall Seller
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INAUPA
2897518 (ISX 12) - Set of Premium Reman Diesel Injectors – 6 Injectors Set – $2,700.00 + $600.00 Core Free Shipping in all orders –

2897518 (ISX 12) - Set of Premium Reman Diesel Injectors – 6 Injectors Set – $2,700.00 + $600.00 Core Free Shipping in all orders –

$3,000 USD
Get your injector with a 11% of discount, regular price $2,700.00 High-quality premium remanufactured diesel injectors.Twelve (12) months warranty. Condition:...
Quantity2
ConditionRemanufactured
Fits To Make(s)Cummins
Part Number2897518
Weight4
MLS Number10504336
CategoryFuel Injectors
Last Updated10/6/2025
Location
FONTANA, CA, US
Sold By
INAUPA
(833) 620-___  SHOW
NUMBERCall Seller
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INAUPA
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