Used Western Star 4900 Axles &amp; Differentials For Sale

2011 Western Star 4900EX Front Axle Assembly

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(Used) 2011 Western Star 4900EX, COMPLETE FRONT AXLE- Part Number: 37002-3486, Serial Number: MON00390785, Center Leaf to Center Leaf: 32", Make: Meritor, Model: FF-961, Capacity: 12,000 Lbs...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900EX
Will Fit Year(s)	2011
Capacity	12,000
Part Number	37002-3486
Stock Number	P-112197
MLS Number	13862853
Category	Axle Assemblies, Front
Last Updated	8/25/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900FA Left Spindle for a 2020 Western Star 4900 FA

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(Used) 2020 Western Star 4900 FA, FRONT SPINDLE/KNUCKLE- Serial Number: 739912A0109722, Part Number: C10-00000-383, Side: Driver Left Side, Make: Detroit, Model: F12-3N, Capacity: 12,000...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2020
Side	LEFT
Capacity	12,000
Part Number	C10-00000-383
Stock Number	P-493962
MLS Number	14085703
Category	Spindles / Knuckles
Last Updated	7/26/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900FA Left Spindle for a 2020 Western Star 4900 FA

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(Used) 2020 Western Star 4900 FA, FRONT SPINDLE/KNUCKLE- Serial Number: 739912A0109722, Part Number: C10-00000-383, Side: Passenger Right Side, Make: Detroit, Model: F12-3N, Capacity: 12,000...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2020
Side	LEFT
Capacity	12,000
Part Number	C10-00000-383
Stock Number	P-493964
MLS Number	14085705
Category	Spindles / Knuckles
Last Updated	9/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900FA Front Axle Assembly for a 2005 Western Star 4900 FA

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(Used) 2005 Western Star 4900 FA, COMPLETE FRONT AXLE- Part Number: 37002-3486, Serial Number: AVF05033174, Measurement: 34" CENTER TO CENTER LEAF, Make: Meritor/Rockwell, Model: FF961NX277...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2005
Capacity	12,000
Part Number	37002-3486
Stock Number	P-75100
MLS Number	12708614
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900FA Left Spindle for a 2005 Western Star 4900 FA

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(Used) 2005 Western Star 4900 FA, SPINDLES/KNUCKLES ONLY- Side: Driver Left Side, Material: Steel, Part Number: 37002-3486, Serial Number: AVF05033174, Make: Meritor/Rockwell, Model:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2005
Side	LEFT
Capacity	12,000
Part Number	37002-3486
Stock Number	P-75110
MLS Number	12708623
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900FA Right Spindle for a 2005 Western Star 4900 FA

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(Used) 2005 Western Star 4900 FA, SPINDLES/KNUCKLES ONLY- Side: Passenger Right Side, Material: Steel, Part Number: 37002-3486, Serial Number: AVF05033174, Make: Meritor/Rockwell, Model:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2005
Side	RIGHT
Capacity	12,000
Part Number	37002-3486
Stock Number	P-75112
MLS Number	12708625
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900SA Front Axle Assembly for a 2012 Western Star 4900 SA

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(Used) 2012 Western Star 4900 SA, COMPLETE FRONT AXLE- Part Number: C10-00026-003 Serial Number: MON00839984, Measurement: 33" CENTER TO CENTER LEAF, Make: Meritor/Rockwell, Model:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2012
Capacity	13,220
Part Number	C10-00026-003
Stock Number	P-75818
MLS Number	12725520
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900SA Left Spindle for a 2012 Western Star 4900 SA

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(Used) 2012 Western Star 4900 SA, COMPLETE SPINDLE KNUCKLE- Side: Driver Left Side, Material: Steel, Part Number: C10-00026-003 Serial Number: MON00839984, Make: Meritor/Rockwell, Model:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2012
Side	LEFT
Capacity	13,220
Part Number	C10-00026-003
Stock Number	P-75823
MLS Number	12725524
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900SA Right Spindle for a 2012 Western Star 4900 SA

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(Used) 2012 Western Star 4900 SA, COMPLETE SPINDLE KNUCKLE- Side: Passenger Right Side, Material: Steel, Part Number: C10-00026-003 Serial Number: MON00839984, Make: Meritor/Rockwell, Model:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2012
Side	RIGHT
Capacity	13,220
Part Number	C10-00026-003
Stock Number	P-75824
MLS Number	12725525
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1990 Western Star 4900 Front Axle Assembly

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(Used) 1990 Western Star 4900, COMPLETE FRONT AXLE- Part Number: EFA12F4, Serial Number: TBD, Center Leaf to Center Leaf: 33", Make: Eaton, Model: EFA12F4, Capacity: 12,860 Lbs, Hub Bolts:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900
Will Fit Year(s)	1990
Capacity	12,860 Lbs
Part Number	EFA12F4
Stock Number	P-80380
MLS Number	12875390
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1990 Western Star 4900 Left Spindle

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(Used) 1990 Western Star 4900, COMPLETE FRONT SPINDLE/KNUCKLE- Part Number: EFA12F4, Serial Number: TBD, Make: Eaton, Model: EFA12F4, Capacity: 12,860 Lbs, Hub Bolts: 10, Brake Type: Drum, ...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900
Will Fit Year(s)	1990
Side	LEFT
Capacity	12,860 Lbs
Part Number	EFA12F4
Stock Number	P-80397
MLS Number	12875405
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1990 Western Star 4900 Right Spindle

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(Used) 1990 Western Star 4900, COMPLETE FRONT SPINDLE/KNUCKLE- Part Number: EFA12F4, Serial Number: TBD, Make: Eaton, Model: EFA12F4, Capacity: 12,860 Lbs, Hub Bolts: 10, Brake Type: Drum,...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900
Will Fit Year(s)	1990
Side	RIGHT
Capacity	12,860 Lbs
Part Number	EFA12F4
Stock Number	P-80398
MLS Number	12875406
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Western Star 4900FA Front Axle Assembly for a 2014 Western Star 4900 FA

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Meritor MFS-16-143A Front Steer Axle For Sale - Hub to Hub - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Serial#:...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2014
Stock Number	WS-0846-26
MLS Number	13057958
Category	Axle Assemblies, Front
Last Updated	5/14/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

Western Star 4900SA Front Axle Assembly for a 2007 Western Star 4900 SA

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(Used) 2007 Western Star 4900 SA, COMPLETE FRONT AXLE- Part Number: 37001-3494, Serial Number: ARD00217694, Center Leaf to Center Leaf: 32", Make: Meritor, Model: FL-941, Capacity: 20,000...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2007
Capacity	20,000 Lbs
Part Number	37001-3494
Stock Number	P-89287
MLS Number	13157646
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900SA Left Spindle for a 2007 Western Star 4900 SA

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(Used) 2007 Western Star 4900 SA, FRONT SPINDLE/KNUCKLE- Part Number: 37001-3494, Serial Number: ARD00217694, Side: Driver Left Side, Make: Meritor, Model: FL-941, Capacity: 20,000 Lbs, ...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2007
Side	LEFT
Capacity	20,000 Lbs
Part Number	37001-3494
Stock Number	P-89299
MLS Number	13157664
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Western Star 4900SA Right Spindle for a 2007 Western Star 4900 SA

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(Used) 2007 Western Star 4900 SA, FRONT SPINDLE/KNUCKLE- Part Number: 37001-3494, Serial Number: ARD00217694, Side: Passenger Right Side, Make: Meritor, Model: FL-941, Capacity: 20,000...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2007
Side	RIGHT
Capacity	20,000 Lbs
Part Number	37001-3494
Stock Number	P-89300
MLS Number	13157666
Category	Spindles / Knuckles
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2020 Western Star 4900SA Front Axle Assembly for a Western Star Trucks 4900 SA

$2,500 USD

18,000 FRONT TWIN STEERING BOX

Condition	Used
Fits To Make(s)	WESTERN STAR TRUCKS
Fits To Model(s)	4900 SA
Stock Number	10091
MLS Number	12365969
Category	Axle Assemblies, Front
Last Updated	2/9/2025
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

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2012 Western Star 4900SA Front Axle Assembly for a Western Star Trucks 4900 SA

$1,800 USD

12000 FRONT

Condition	Used
Fits To Make(s)	WESTERN STAR TRUCKS
Fits To Model(s)	4900 SA
Stock Number	4454
MLS Number	10571903
Category	Axle Assemblies, Front
Last Updated	2/8/2025
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

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2015 Western Star 4900SA Front Axle Assembly for a Western Star Trucks 4900 SA

$1,800 USD

COMPLETE HUB TO HUB NO RUST 14,700#

Condition	Used
Fits To Make(s)	WESTERN STAR TRUCKS
Fits To Model(s)	4900 SA
Stock Number	10486
MLS Number	12739227
Category	Axle Assemblies, Front
Last Updated	3/29/2024
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

1996 Western Star 4900 Front Axle Assembly

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1996 WS 4964F ROCKWELL FF961. 2 LEAF, NO ABS, DRUM BRAKE, 12000 LBS, Capacity: 12000 LBS, Hub Bolts: 10, Brake Type: DURM, Axle Make: ROCKWELL

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900
Will Fit Year(s)	1996
Capacity	12000 LBS
Stock Number	3705-WS-7
MLS Number	13347574
Category	Axle Assemblies, Front
Last Updated	6/16/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Western Star 4900SA Front Axle Assembly for a 2004 Western Star 4900 SA

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2004 WS 4900SA EATON F20F4 AXLE, ABS, DRUM BRAKE, 4 LEAF, 20000 LBS, Capacity: 20000 LBS, Serial#: 2MBXA12, Brake Type: DRUM, Axle Make: EATON

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 SA
Will Fit Year(s)	2004
Capacity	20000 LBS
Stock Number	3639-WS-6
MLS Number	13347073
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

2011 Western Star 4900EX Front Axle Assembly

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2011 WS 4900EX MERITOR MFS13-143A, 3 LEAF, ABS, DRUM BRAKE, 13200 LBS, Capacity: 13200 LBS, Serial#: NA, Brake Type: DRUM, Axle Make: MERITOR

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900EX
Will Fit Year(s)	2011
Capacity	13200 LBS
Stock Number	3616-WS-6
MLS Number	13346745
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Western Star 4900FA Front Axle Assembly for a 2020 Western Star 4900 FA

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2020 WS 4900FA MERCEDES DAF-13-3, 13300 LBS 2 LEAF, ABS DRUM BRAKE, Capacity: 13300 LBS, Hub Bolts: 8, Brake Type: DRUM, Axle Make: MERCEDES

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2020
Capacity	13300 LBS
Stock Number	3517-WS-6
MLS Number	13346185
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Western Star 4900FA Front Axle Assembly for a 2006 Western Star 4900 FA

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2006 WS 4900FA MERITOR FL941, 4 LEAF, 18000 LBS, Capacity: 18000 LBS, Serial#: NA, Brake Type: DRUM, Axle Make: MERITOR

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4900 FA
Will Fit Year(s)	2006
Capacity	18000 LBS
Stock Number	3475-WS-4
MLS Number	13345976
Category	Axle Assemblies, Front
Last Updated	8/17/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.