Caterpillar 3406B Fuel System For Sale

Shop used Caterpillar 3406B Fuel System on MyLittleSalesman.com . Compare active listings with prices from $27 to $1,750. Sellers include River Valley Truck Parts, Rocky Mountain Truck Parts, Delauto Used Truck Parts, and more. Filter by condition, price, or year to find the Caterpillar 3406B that fits your job.

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Truck Parts

Category
Fuel System

Manufacturer
Caterpillar

Top-Model
3406

Model
3406B

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1 - 15 of 15 listings

Caterpillar 3406B Fuel Injector

Caterpillar 3406B Fuel Injector

$40 USD

Good used Fuel injector from a Caterpillar 3406B engine. The Fuel injector has been visually inspected and is in good condition. The Fuel injector has minor rust, please refer to photos...

Condition	Used
Part Number	P-1014457
Stock Number	P-1014457
MLS Number	14444007
Category	Fuel Injectors
Last Updated	6/23/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

(844) 604-___ SHOW
NUMBERCall Seller

River Valley Truck Parts

Caterpillar 3406B Fuel Gear Pump

Caterpillar 3406B Fuel Gear Pump

Contact for price

INJECTION PUMP, Serial#: N/A., Casting#: N/A.

Condition	Used
Stock Number	976013
MLS Number	11114206
Category	Fuel Gear Pumps
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 980-___ SHOW
NUMBERCall Seller

Rocky Mountain Truck Parts

Caterpillar 3406B Fuel Gear Pump

Caterpillar 3406B Fuel Gear Pump

$1,300 USD

CAT 3406B INJECTION PUMP $1300 EXCHANGE Please keep me in mind for future purchases. I have about 3.5 acres of heavy Trucks and Parts. We have many engine parts and engines. Turbos,...

Condition	Used
Stock Number	202854
MLS Number	12647326
Category	Fuel Gear Pumps
Last Updated	5/14/2026
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

(844) 925-___ SHOW
NUMBERCall Seller

Caterpillar 3406B Fuel / Water Separator for a 1987 Freightliner FLC

Caterpillar 3406B Fuel / Water Separator for a 1987 Freightliner FLC

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(Used) 1987 Freightliner FLC, WATER SEPARATOR- Side: Driver Left Side, Make: NAPA, Model: 3405, Engine: Caterpillar 3406B, For more information about this item, give us a call. We ship...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLC
Will Fit Year(s)	1987
Stock Number	P-92716
MLS Number	13248106
Category	Fuel / Water Separators
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 402-___ SHOW
NUMBERCall Seller

CRG Heavy Truck Parts

Caterpillar 3406B Fuel Injection Pump

Caterpillar 3406B Fuel Injection Pump

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USED 3406B FUEL INJECTION PUMP WITH LONG THROTTLE SHAFT

Condition	Used
Stock Number	73946
MLS Number	12828275
Category	Fuel Injection Pumps
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Caterpillar 3406B Fuel Injection Pump

Caterpillar 3406B Fuel Injection Pump

Contact for price

USED CORE CATERPILLAR 3406B FUEL PUMP OEM # 7W3906 ***SOLD AS IS***

Condition	Used
Stock Number	70889
MLS Number	12826646
Category	Fuel Injection Pumps
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Caterpillar 3406B Fuel Injection Pump

Caterpillar 3406B Fuel Injection Pump

$250 USD

USED CAT 3406B ENGINE BOTTOM LIFT PUMP,

Condition	Used
Stock Number	68627
MLS Number	12825346
Category	Fuel Injection Pumps
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Caterpillar 3406B Fuel Injector

Caterpillar 3406B Fuel Injector

$50 USD

USED CAT 3406B FUEL NOZZLE P/N: 127-9793

Condition	Used
Stock Number	62218
MLS Number	12822419
Category	Fuel Injectors
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Caterpillar 3406B Fuel Injector

Caterpillar 3406B Fuel Injector

$50 USD

USED CAT 3406B FUEL INJECTOR P/N: 0R3423

Condition	Used
Stock Number	62214
MLS Number	12822418
Category	Fuel Injectors
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Used Caterpillar 3406B Fuel Ration Control

1987 Used Caterpillar 3406B Fuel Ration Control

$250 USD

Used 3406B Fuel Ration Control, Type: Fuel Ratio Control

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3406B
Will Fit Year(s)	1987
Part Number	0R1295
Stock Number	550-11077
MLS Number	12655579
Category	Fuel Pumps
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(855) 300-___ SHOW
NUMBERCall Seller

Frontier Truck Parts

Used Caterpillar 3406B/C Injector Pre Cup

Used Caterpillar 3406B/C Injector Pre Cup

$27 USD

Used 3406B/C Injector Pre Cup, Type: Fuel Injector Pre Cups

Condition	Used
Part Number	1006920
Stock Number	515-10443
MLS Number	8930046
Category	Fuel Injectors
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(855) 300-___ SHOW
NUMBERCall Seller

Frontier Truck Parts

Caterpillar 3406B Fuel Pump

Caterpillar 3406B Fuel Pump

$1,750 USD

(GOOD USED) OEM Caterpillar 3406B Diesel Engine High-Pressure Fuel Injection Pump, for sale!!!!, P/N: 7W3906, Stock #: FP1062 http://www.ebay.com/usr/onestopdiesel, For more information...

Condition	Used
Part Number	7W3906
Stock Number	FP1062
MLS Number	10300496
Category	Fuel Pumps
Last Updated	7/27/2020
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(844) 385-___ SHOW
NUMBERCall Seller

JJ Rebuilders Inc.

Caterpillar 3406B Fuel Pump

Caterpillar 3406B Fuel Pump

$1,199.99 USD

(GOOD USED) Caterpillar 3406B Diesel Engine High-Pressure Fuel Injection Pump, for sale!!!!, OEM # 7W3906, Stock #: FP1055 For more information about this listing, shipping, technical...

Condition	Used
Part Number	7W3906
Stock Number	FP1055
MLS Number	10154325
Category	Fuel Pumps
Last Updated	4/1/2020
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(844) 385-___ SHOW
NUMBERCall Seller

JJ Rebuilders Inc.

Caterpillar 3406B Fuel Shut Off Solenoid 12V, Part # 8C9986

Caterpillar 3406B Fuel Shut Off Solenoid 12V, Part # 8C9986

$150 USD

FUEL SHUT OFF SOLONOID 12V, Serial#: 4GM, Core Charge: NA, Casting#: NA

Condition	Used
Part Number	8C9986
Stock Number	P-60863
MLS Number	13541582
Category	Fuel Injection Parts
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Holst Truck Parts

Caterpillar 3406B/3406C 12V Fuel Shut Off Solenoid, Part # 125-5773

Caterpillar 3406B/3406C 12V Fuel Shut Off Solenoid, Part # 125-5773

$150 USD

12V FUEL SHUT OFF SOLONIOD CAT 3406B 3406C, Serial#: 4GM, Core Charge: NA, Casting#: NA

Condition	Used
Part Number	125-5773
Stock Number	P-60862
MLS Number	13541581
Category	Fuel Injection Parts
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Holst Truck Parts

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