Peterbilt 579 Axles &amp; Differentials For Sale

2018 Peterbilt 579 Right Spindle

Contact for price

(Used) 2018 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Side: Passenger Right Side, Make: Hendrickson, Model: TBD, Capacity: 13,200 Lbs, Hub Bolts: 10, Brake Type: Disc, For more information...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Side	RIGHT
Capacity	13,200 Lbs
Stock Number	P-498029
MLS Number	14157273
Category	Spindles / Knuckles
Last Updated	2/21/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2018 Peterbilt 579 Left Spindle

Contact for price

(Used) 2018 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Side: Driver Left Side, Make: Hendrickson, Model: TBD, Capacity: 13,200 Lbs, Hub Bolts: 10, Brake Type: Disc, For more information about...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Side	LEFT
Capacity	13,200 Lbs
Stock Number	P-498027
MLS Number	14157271
Category	Spindles / Knuckles
Last Updated	2/21/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2018 Peterbilt 579 Front Axle Assembly

Contact for price

(Used) 2018 Peterbilt 579, COMPLETE FRONT AXLE- Center Leaf to Center Leaf: 34", Make: Hendrickson, Model: TBD, Capacity: 13,200 Lbs, Hub Bolts: 10, Brake Type: Disc, For more information...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Capacity	13,200 Lbs
Stock Number	P-498018
MLS Number	14157263
Category	Axle Assemblies, Front
Last Updated	2/21/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 794-___ SHOW
NUMBERCall Seller

2018 Peterbilt 579 Front Axle Assembly

Contact for price

Meritor Front Axle From 2018 Peterbilt 579 Sleeper Cab, 34" Center to Center, 4" Spring Width, 10 Hole Pilot, 12,000 Capacity, Air Disc Brakes.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Capacity	12,000
Stock Number	4360-4
MLS Number	14137496
Category	Axle Assemblies, Front
Last Updated	2/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2023 Peterbilt 579 Front Axle Assembly

$1,495 USD

GOOD USED MFS13B AXLE ASSY,DISC BRKE 2023 579, Capacity: 13K, Hub Bolts: 10 PILOT, Brake Type: DISC, Axle Make: MERITOR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Capacity	13K
Stock Number	20426-8
MLS Number	14135974
Category	Axle Assemblies, Front
Last Updated	2/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2016 Peterbilt 579 Front Axle Assembly

Contact for price

Front Axle Beam, Good Condition. Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79366
MLS Number	14108347
Category	Axle Assemblies, Front
Last Updated	1/24/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2016 Peterbilt 579 Spindle

Contact for price

Steering Knuckle, Price Per Side, Good Condition. Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79365
MLS Number	14108346
Category	Spindles / Knuckles
Last Updated	1/24/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2016 Peterbilt 579 Rear Differential

Contact for price

Complete Rear Diff/Third Member (Gear Ratio), Good Condition, Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79364
MLS Number	14108345
Category	Differentials, Rear
Last Updated	1/24/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2016 Peterbilt 579 Rear Axle Assembly

Contact for price

Complete rear axle, Hub To Hub, Ten Lug With (brake Type), With (Gear Ratio), Good Condition, Call DTI Trucks for More Information and for Shipping Quotes.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	79363
MLS Number	14108344
Category	Axle Assemblies, Rear
Last Updated	1/24/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2020 Peterbilt 579 Right Spindle

Contact for price

(Used) 2020 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 693903, Serial Number: TBD, Side: Passenger Right Side, Make: Spicer, Model: E-1202LW, Capacity: 12,000 Lbs, Hub Bolts: 10,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Side	RIGHT
Capacity	12,000
Part Number	693903
Stock Number	P-494298
MLS Number	14094331
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Peterbilt 579 Left Spindle

Contact for price

(Used) 2020 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 693903, Serial number: TBD, Side: Driver Left Side, Make: Spicer, Model: E-1202LW, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Side	LEFT
Capacity	12,000
Part Number	693903
Stock Number	P-494297
MLS Number	14094330
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Peterbilt 579 Front Axle Assembly

Contact for price

(Used) 2020 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: 693903, Serial number: TBD, Center Leaf to Center Leaf: 34", Make: Spicer, Model: E-1202LW, Capacity: 12,000 Lbs, Hub Bolts: 10,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Capacity	12,000
Part Number	693903
Stock Number	P-494285
MLS Number	14094320
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(888) 519-___ SHOW
NUMBERCall Seller

2016 Peterbilt 579 Front Axle Assembly

$750 USD

Good used inspected 2016 Peterbilt 579 Complete Front Axle Beam. 30 day guarantee for swap or refund that axle will take kingpins

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1063346
MLS Number	13872212
Category	Axle Assemblies, Front
Last Updated	1/3/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(888) 519-___ SHOW
NUMBERCall Seller

2019 Peterbilt 579 Front Axle Assembly

$750 USD

Good used inspected 2019 Peterbilt 579 Complete Front Axle Beam. 30 day guarantee for swap or refund that axle will take kingpins

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1062872
MLS Number	13872209
Category	Axle Assemblies, Front
Last Updated	1/3/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(888) 519-___ SHOW
NUMBERCall Seller

2022 Peterbilt 579 Front Axle Assembly

$750 USD

Good used inspected 2022 Peterbilt 579 Complete Front Axle Beam. 30 day guarantee for swap or refund that axle will take kingpins

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1053974
MLS Number	13274643
Category	Axle Assemblies, Front
Last Updated	1/3/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2020 Peterbilt 579 Front Axle Assembly

$1,395 USD

MFS13B FRONT AXLE. COMPLETE OR FOR PARTS, Capacity: 13K, Serial#: Y189636

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Capacity	13K
Stock Number	120125-9
MLS Number	14015460
Category	Axle Assemblies, Front
Last Updated	12/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2020 Peterbilt 579 Front Axle Assembly

$1,250 USD

MFS12E FRT AXLE ASSY OR PARTS,DISC BRKE 2020 579, Capacity: 12K, Hub Bolts: 10 PILOT, Brake Type: DISC, Axle Make: MERITOR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Capacity	12K
Stock Number	112025-8
MLS Number	14004428
Category	Axle Assemblies, Front
Last Updated	11/27/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2019 Peterbilt 579 Right Spindle

Contact for price

(Used) 2019 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 79685-001, Serial Number: AX488525, Side: Passenger Right Side, Make: Hendrickson, Model: TBD, Capacity: 13,200 Lbs, Hub Bolts:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Side	RIGHT
Capacity	13,200
Part Number	79685-001
Stock Number	P-114279
MLS Number	13997799
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Peterbilt 579 Left Spindle

Contact for price

(Used) 2019 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 79685-001, Serial Number: AX488525, Side: Driver Left Side, Make: Hendrickson, Model: TBD, Capacity: 13,200 Lbs, Hub Bolts:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Side	LEFT
Capacity	13,200
Part Number	79685-001
Stock Number	P-114277
MLS Number	13997797
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Peterbilt 579 Front Axle Assembly

Contact for price

(Used) 2019 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: 79685-001, Serial Number: AX488525, Center Leaf to Center Leaf: 34", Make: Hendrickson, Model: TBD, Capacity: 13,200 Lbs, Hub...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Capacity	13,200
Part Number	79685-001
Stock Number	P-114270
MLS Number	13997791
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2024 Peterbilt 579 Front Axle Assembly

Contact for price

FRONT AXLE ASSY, COMPLETE OR FOR PARTS, Serial#: 80491475, Hub Bolts: BUDD, Brake Type: AIR, Casting#: NA

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2024
Stock Number	110524-12
MLS Number	13992301
Category	Axle Assemblies, Front
Last Updated	11/20/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2018 Peterbilt 579 Right Spindle

Contact for price

(Used) 2018 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 86892, Side: Passenger Right Side, Make: Meritor, Model: MFS-12E, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Drum,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Side	RIGHT
Capacity	12,000 Lbs
Part Number	86892
Stock Number	P-113676
MLS Number	13968774
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2018 Peterbilt 579 Left Spindle

Contact for price

(Used) 2018 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: 86892, Side: Driver Left Side, Make: Meritor, Model: MFS-12E, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake Type: Drum, Reference...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Side	LEFT
Capacity	12,000 Lbs
Part Number	86892
Stock Number	P-113675
MLS Number	13968773
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts