Used Caterpillar 3406 Engine Parts For Sale by Dealerships

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Caterpillar 3406B Engine Brake Front Housing Part # 17770, Rear Housing Part # 17771

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(GOOD USED / SOLD AS SET) Caterpillar 3406B Engine Brakes 346D W/Housing Bolts For Sale, Model: 346D, Housing P/N Front: 17770 Rear: 17771, Rear HSG 346D 12VDC C205308, Front HSG 346D 12VDC...

Condition	Used
Part Number	17770, 17771
Stock Number	8843
MLS Number	13421666
Category	Engine Brakes / Jake Brakes
Last Updated	9/8/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

(833) 541-___ SHOW
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Caterpillar 3406E Engine Control Module (ECM) for a 1999 Kenworth

$795 USD

USED ECM/ CAT 40 PIN 3406E 1LW S/N GUARANTEED TO BE PROGRAMABLE., Serial#: 1LW14808, Core Charge: 250.00

Condition	Used
Fits To Make(s)	Kenworth
Will Fit Year(s)	1999
Part Number	115-3055,117-8351,212-9450,10R4085,20R2075
Stock Number	P-60897
MLS Number	13774815
Category	Engine Control Modules (ECM)
Last Updated	8/22/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 909-___ SHOW
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Caterpillar 3406B Engine Part

$2,995 USD

Complete caterpillar 3406B engine with transmission

Condition	Used
MLS Number	13771745
Category	Engine Parts
Last Updated	3/30/2026
Location	Franklin, NJ, US
Sold By	Big Iron Equipment LLC

(855) 300-___ SHOW
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New Aftermarket Caterpillar C15 Exhaust Stud Kit

$67 USD

New Aftermarket C15 Exhaust Stud Kit, Type: Exhaust Stud Kit

Condition	Used
Part Number	ESK3406E
Stock Number	541-10161
MLS Number	13768864
Category	Engine Head Bolts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2002 Caterpillar 3406E Engine Thermostat Housing for a CAT 3406E (40 PIN) 5EK 1LW 6TS 5DS

$300.24 USD

THERMOSTAT HOUSING, P/N 239-9384

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	3406E (40 PIN) 5EK 1LW 6TS 5DS
Stock Number	2317364
MLS Number	12430421
Category	Engine Thermostat Housings
Last Updated	8/8/2025
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

(855) 300-___ SHOW
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Used Caterpillar 3406B Oil Cooler

$100 USD

Used 3406B Oil Cooler, Type: Oil Cooler

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3406B
Part Number	4N6972
Stock Number	506-13231
MLS Number	13740059
Category	Engine Oil Coolers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 541-___ SHOW
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Caterpillar 3406E Engine Oil Pan for a 1995 Peterbilt 379

$600 USD

3406E Rear Sump Oil Pan Brake Saver/Retarder 9Y5595, Serial#: Get, Sump Position: Rear

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	1995
Stock Number	60425-28
MLS Number	13724798
Category	Engine Oil Pans
Last Updated	7/26/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Rocker Housing

$650 USD

(GOOD USED) Caterpillar 3406E Diesel Engine Rocker Housing with Injector and Jake Harness, for sale!!! Part #: 121-6826; Stock #: R1110 For more information about this listing, shipping,...

Condition	Used
Part Number	121-6826
Stock Number	R1110
MLS Number	13710648
Category	Rocker Housings
Last Updated	7/18/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar 3406E Engine Wiring Harness

$180 USD

(GOOD USED) Caterpillar 3406E Diesel Engine Electronic Control Integrated Wiring Harness, for sale!!!! Part #: 138-1011; Stock #: WH1063 For more information about this listing, shipping,...

Condition	Used
Part Number	138-1011
Stock Number	WH1063
MLS Number	13710066
Category	Engine Wiring Harnesses
Last Updated	7/18/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar 3406 Engine Thermostat Housing

$120 USD

(GOOD USED) Caterpillar Thermostat Housing, for sale!!!! Part #: 137-7331; Engine Models: C15/ C16/ 3406C; Stock #: TH1024 For more information about this listing, shipping, technical...

Condition	Used
Part Number	137-7331
Stock Number	TH1024
MLS Number	13704293
Category	Engine Thermostat Housings
Last Updated	7/16/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar 3406 Timing Cover

$125 USD

(GOOD USED) Caterpillar OEM Cam and Idler Gear Housing Cover Timing Cover, for sale!!! Part #: 146-2601; Stock #: C1115 For more information about this listing, shipping, technical questions...

Condition	Used
Part Number	146-2601
Stock Number	C1115
MLS Number	13704099
Category	Timing Covers
Last Updated	7/16/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

1994 Caterpillar 3406C Engine Mount for a Kenworth W900L

$300 USD

(USED) CAT 3406C Cast#: VERIFY Mount: FRAME

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25818801
MLS Number	13673712
Category	Engine Mounts
Last Updated	7/13/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1994 Caterpillar 3406C Engine Mount for a Kenworth W900L

$300 USD

(USED) CAT 3406C Cast#: VERIFY Mount: FRAME

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25818802
MLS Number	13673711
Category	Engine Mounts
Last Updated	7/13/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1994 Caterpillar 3406C Engine Mount for a Kenworth W900L

$300 USD

(USED) CAT 3406C Cast#: K107-529 Mount: FRONT Ref# K107-529 FRONT ENGINE MOUNT

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Part Number	K107-529
Stock Number	25818804
MLS Number	13673710
Category	Engine Mounts
Last Updated	7/13/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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Caterpillar 3406 Engine Brake Model C346B Part # 013172, 013173

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(GOOD USED / SOLD AS SET) Caterpillar 3406 Jake Brakes C346B w/ Housing Bolts For Sale, Rear HSG Part # 013173, Front HSG Part # 013172, Housing Part # 005602, Stock # 8833  All our PARTS...

Condition	Used
Part Number	013172, 013173
Stock Number	8833
MLS Number	13415021
Category	Engine Brakes / Jake Brakes
Last Updated	7/1/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

1997 Caterpillar 3406E Engine Mount for a Kenworth W900L

$100 USD

(USED) CAT 3406E 14.6L Mount: FRONT LEFT

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25807455
MLS Number	13629083
Category	Engine Mounts
Last Updated	6/26/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

1997 Caterpillar 3406E Engine Mount for a Kenworth W900L

$100 USD

(USED) CAT 3406E 14.6L Mount: RIGHT FRONT

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25807454
MLS Number	13629082
Category	Engine Mounts
Last Updated	6/26/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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1991 Used Caterpillar 3406B Alternator Bracket Spacer

$20 USD

Used 3406B Alternator Bracket Spacer, Type: Alternator Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	3406B
Will Fit Year(s)	1991
Part Number	9Y-1603
Stock Number	502-18512
MLS Number	13656039
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 359-___ SHOW
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Caterpillar 3406B Front Engine Cover

$585 USD

USED 7W3494 3406B FRONT COVER P/N: 7W3494

Condition	Used
Stock Number	64113
MLS Number	12823321
Category	Front Engine Covers
Last Updated	6/14/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

1981 Caterpillar 3406A Camshaft for a CAT 3406A

$340.24 USD

S12K0098 - Used CATsa 3406A Camshaft out of a 1981 Western Star 4900, Engine - CAT 3406A, OEM# - 6N4990

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	3406A
Stock Number	1445758
MLS Number	12479302
Category	Camshafts
Last Updated	6/11/2025
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

Caterpillar 3406E Engine Control Module (ECM)

$2,000 USD

(GOOD USED/ TESTED) OEM Caterpillar 3406E Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 117-4017-02; Supersession Part#: 129-9195, 115-3055, 212-9450, 10R-4085; Stock #:...

Condition	Used
Part Number	117-4017-02
Stock Number	E3108
MLS Number	11813534
Category	Engine Control Modules (ECM)
Last Updated	6/9/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

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Caterpillar 3406 Engine Oil Cooler Part # 7W-2184, 7W-2183

$295 USD

(GOOD USED) OEM Caterpillar 3406B Engine Oil Cooler Core Assembly 7W-2184 For Sale, Part # 7W 2184, 7W2184, Oil to Water Cooler Shell and Tube, Also fits 3406 3406B 3406C 3408B 3408, Casting...

Condition	Used
Part Number	7W 2183, 7W 2184
Stock Number	8368
MLS Number	13634233
Category	Engine Oil Coolers
Last Updated	6/9/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Caterpillar 3406A Engine Block / Cylinder Block for a CAT 3406A

$1,100.24 USD

Cylinder Block SER # 8N9265

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	3406A
Stock Number	GGR406197
MLS Number	12782570
Category	Engine Blocks / Cylinder Blocks
Last Updated	6/3/2025
Location	Watseka, IL, US
Sold By	LKQ Heavy Truck

2002 Caterpillar 3406E Engine Oil Pan for a CAT 3406E 14.6

$695.34 USD

USED OIL PAN, HAS SOME DAMAGE PLEASE SEE PICITURES

Condition	Used
Fits To Make(s)	CAT
Fits To Model(s)	3406E 14.6
Stock Number	2374962
MLS Number	12694927
Category	Engine Oil Pans
Last Updated	6/2/2025
Location	Portland, OR, US
Sold By	LKQ Heavy Truck