UnderDog Diesel » Fuel System

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Items 1-46 of 46
Description: New! No Core Charge!
Item #: 0-445-120-008
Condition: New
Price: $322.00


Price: $229.00


Price: $999.99

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Price: $817.00

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Price: $285.00

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Limited Supply: Only 1 Left!
Price: $271.72

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Description: Popular upgrade kit for CP3 Conversions that kept the stainless hardline / flare nut connection in the valley.
Item #: UDD-CP3-LPLC
Condition: New
Price: $75.00

Price: $120.00
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Ships in 10-14 Business Days
Price: $539.99


Price: $12.50
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Item #: FilterDeleteTube
Condition: New
Price: $9.95
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Price: $149.92
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Description: Includes lines for cylinders 1-8
Item #: GA47811N
Condition: New
Price: $299.95

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Description: Replacement Part
Item #: UDD108
Condition: New
Price: $19.00
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Orders Delayed 2-3 Weeks due to high order volume with Opti-Lube
Price: $17.71

Orders Delayed 2-3 Weeks due to high order volume with Opti-Lube
Price: $37.00

Orders Delayed 2-3 Weeks due to high order volume with Opti-Lube
Price: $59.89

Long Neck Bottles out of Stock for 4-5 Weeks
Orders Delayed 2-3 Weeks due to high order volume with Opti-Lube
Price: $64.93

Orders Delayed 2-3 Weeks due to high order volume with Opti-Lube
Price: $17.37
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Price: $40.00
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Price: $60.00
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Price: $950.00

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Description: (1,325 mm3 /rev displacement)
Item #: CP3-DMX-10
Condition: New
This product cannot ship to California.
Price: $2,000.00

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Description: (1,325 mm3 /rev displacement, high speed optimized for fueling over 4500RPM)
Item #: CP3-DMX-10-HS
Condition: New
This product cannot ship to California.
Price: $2,200.00

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Description: (1,590 mm3 /rev displacement)
Item #: CP3-DMX-12
Condition: New
This product cannot ship to California.
Price: $2,500.00

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Description: (1,590 mm3 /rev displacement, high speed optimized for fueling over 4500RPM)
Item #: CP3-DMX-12-HS
Condition: New
This product cannot ship to California.
Price: $2,600.00

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Description: (1,590 mm3 /rev displacement, high speed optimized for fueling above 4500RPM) with SP3000 Supply Pump
Item #: CP3-DMX-12-HS-SP
Condition: New
This product cannot ship to California.
Price: $3,600.00

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Description: (1,850 mm3 /rev displacement)
Item #: CP3-DMX-14
Condition: New
This product cannot ship to California.
Price: $2,800.00

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Description: (1,850 mm3 /rev displacement, high speed optimized for fueling over 4500RPM)
Item #: CP3-DMX-14-HS
Condition: New
This product cannot ship to California.
Price: $2,900.00

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Description: (1,850 mm3 /rev displacement, high speed optimized for fueling above 4500RPM) with SP3000 Supply Pump
Item #: CP3-DMX-14-HS-SP
Condition: New
This product cannot ship to California.
Price: $3,900.00

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Description: (higher output >3,500 rpm)
Item #: CP3-DMX-SS
Condition: New
This product cannot ship to California.
Price: $1,130.00

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Price: $950.00

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Price: $950.00

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CARB EO # D756-7 for 2011-2023 Model Years
Price: $1,990.00


Description: For modified trucks only.
Item #: L5P-CP3-10
Condition: New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $2,912.00

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Description: For modified trucks only.
Item #: L5P-CP3-12
Condition: New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $3,406.00

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Description: For modified trucks only.
Item #: L5P-CP3-14
Condition: New
This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $3,900.00

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This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $4,305.60

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This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $4,903.60

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This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $5,501.60

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This item will dropship from S&S directly. Rough lead time is 5 Business Days.
This product cannot ship to California.
Price: $3,707.60

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Disaster Prevention Kit
Description: -New and improved Gen2.1 Disaster Prevention Kit -Safeguards fuel injectors, rails, lines, and tank from CP4 debris -Thoroughly validated and proven to work in real-world testing -All OE-style...More Details »
Item #: CP4-6.7F-BP-G2.1
Condition: New
CARB EO # D-756-6
Price: $400.00


Price: $120.00
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Price: $160.00

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Price: $599.00

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Price: $1.50

Items 1-46 of 46

View Universal items for: Fuel System