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Axles & Differentials (2651)
   Axle Assemblies, Front (527)    Axle Assemblies, Rear (73)    Axle Housings, Front (110)    Axle Housings, Rear (189)    Axle Housings (24)    Axle Parts (43)    Axle Shafts (213)    Differential Cases (6)    Differential Cores (3)    Differential Misc. Parts (437)    Differentials (Matched Sets) (1)    Differentials, Front (353)    Differentials, Rear (393)    Differentials, Unspecified (136)    King Pin Sets (2)    Lift Axle Components (1)    Lift Axles & Drop Axles (12)    Spindles / Knuckles (123)    Tag / Pusher Axles (5)
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1194486 (2)11KHA (2)128514 (1)128515 (1)12K (3)18K (9)202 (2)203 REAR (4)21041946 (3)21063580 (1)21324520 (11)21404108 (4)21404109 (1)21881775 (5)21895907 (9)2438 (1)25133699 (4)25133700 (3)25195184 (1)3QH565 (1)3QH565M2 (1)3QH566AM (1)3QH590M (8)3QHF544B (1)3QHF545P2 (15)44000 (3)45QH73P6 (1)600 (1)6790 (1)6891 (1)68KH3121P2 (2)68KH316P1 (1)68KH3202P (1)68KH3219 (1)68KH3221 (1)68KH3226 (2)68KH3226P2 (5)68KH3232P2 (3)68KH3232P3 (1)68KH3232P4 (2)68KH3232P5 (1)68KH3234P3 (1)68KH3234P4 (2)68KH356AP1 (1)68KH356AP2 (1)68KH356DP2 (1)68KH414 (6)68KH414P2 (11)68KH414P3 (3)68KH414P4 (3)68KH414P5 (2)68KHF47P4 (1)700 (4)7220-002 (1)7906 (1)AN64T (1)Anthem (25)AXLE SHAFT PARTS (3)BEAM (2)C92 (11)C93 (1)Camelback Spring (1)CH (1)CH612 (2)CH613 (41)CHN613 (14)CHU (1)CL Series (2)CL700 (3)CL713 (10)CL733 (2)CRD (8)CRD 150-151 (8)CRD 92 (2)CRD 92-93 (35)CRD112 (6)CRD112R476 (1)CRD112R573 (1)CRD113 (11)CRD113R532 (1)CRD113R573 (1)CRD117 (11)CRD1171 (1)CRD117R371 (1)CRD117R400 (1)CRD117R425 (2)CRD117R462 (2)CRD117R463 (1)CRD117R532 (1)CRD117R543 (1)CRD117R578 (1)CRD117R636 (1)CRD118 (3)CRD118R394 (1)CRD126 (3)CRD150 (135)CRD1501 (1)CRD1501R379 (1)CRD150R325 (1)CRD150R356 (1)CRD150R379 (1)CRD150R450 (2)CRD150R480 (2)CRD150R504 (2)CRD150R531 (2)CRD151 (70)CRD1511 (3)CRD1511R379 (1)CRD1511R419 (1)CRD151R325 (1)CRD151R356 (1)CRD151R379 (3)CRD151R398 (3)CRD151R450 (7)CRD151R480 (13)CRD151R504 (5)CRD151R531 (7)CRD151R566 (1)CRD181 (8)CRD181R500 (1)CRD201 (1)CRD202 (18)CRD202+203 (3)CRD203 (30)CRD203R394 (1)CRD203R435 (4)CRD203R473 (1)CRD203R502 (2)CRD203R641 (1)CRD203R708 (1)CRD78R428 (1)CRD80 (1)CRD92 (236)CRD92 & CRD93 (8)CRD92 / 93 (9)CRD92 Forward (1)CRD92/CRD93 (2)CRD92+93 (5)CRD92-93 (11)CRD92R365 (1)CRD92R386 (2)CRD92R417 (7)CRD92R442 (5)CRD92R464 (3)CRD92R502 (10)CRD92R532 (4)CRD92R555 (4)CRD92R573 (7)CRD92R588 (1)CRD92R634 (1)CRD92R656 (1)CRD92RTBD (1)CRD93 (344)CRD93A (2)CRD93R386 (8)CRD93R417 (13)CRD93R442 (6)CRD93R464 (5)CRD93R476 (1)CRD93R502 (10)CRD93R532 (2)CRD93R555 (5)CRD93R573 (3)CRD93R606 (3)CRD93R634 (4)CRD93R656 (1)CRD93RTBD (2)CRD95 (1)CRD96 (1)CRD96R588 (1)CRDL150R480 (3)CRDL150R504 (2)CRDL151R340 (2)CRDL151R356 (1)CRDL151R480 (7)CRDL151R504 (3)CRDL151R531 (3)CRDL93 (1)CRDP150 (5)CRDP202 (12)CRDP92 (40)CRDPC112 (2)CRDPC125R266 (2)CRDPC150 (12)CRDPC150R379 (7)CRDPC150R398 (1)CRDPC150R450 (2)CRDPC150R480 (8)CRDPC150R504 (2)CRDPC150R531 (3)CRDPC150R566 (1)CRDPC180R500 (1)CRDPC202R363 (2)CRDPC202R394 (1)CRDPC202R435 (6)CRDPC92 (156)CRDPC92R386 (3)CRDPC92R417 (7)CRDPC92R442 (3)CRDPC92R464 (6)CRDPC92R502 (1)CRDPC92R532 (6)CRDPC92R555 (2)CRDPC92R573 (1)CRDPC92R606 (1)CRDPC92R634 (3)CRDPCL150R325 (1)CRDPCL150R340 (2)CRDPCL150R356 (1)CRDPCL150R419 (1)CRDPCL150R480 (5)CRDPCL150R504 (2)CRDPCL150R531 (3)CS200 (1)CS200P (2)CS250 (4)CS300P (4)CS300T (1)CTP (1)CV (4)CV613 (1)CXU (1)CXU613T (3)CXU633T (8)DM685S (1)DM688S (4)DM690S (3)FA167C (1)FAW 18 (2)FAW12 (14)FAW18 (3)FXL 12 (7)FXL 16 (1)FXL 18 (4)FXL 20 (15)FXL12 (55)FXL13.2 (3)FXL14.6 (2)FXL18 (2)FXL20 (3)GR42F9 (1)Granite (77)   Granite CT713 (2)   Granite CTP713 (2)   Granite CV513 (3)   Granite CV712 (3)   Granite CV713 (39)   Granite GU713 (15)   Granite GU813 (13)ID PENDING (3)LE612 (1)LE613 (2)LEU613 (8)LINK (1)MACK AXLE SHAFT (5)MC688FC (3)MD (3)MH600 (1)MH612 (1)MH613 (1)MH633 (1)Midliner (6)   Midliner MS200P (2)   Midliner MS250P (1)   Midliner MS300 (1)   Midliner MS300P (1)MR (4)MR600 (1)MR688S (2)MR690S (1)MRU613 (15)N/A (3)No Model Provided (1)Nut Front (1)Nuts Front (1)One Arm (4)One Arm ABS (1)One Arm RH (5)Opposing Arm (1)Opposing Arms (1)Opposing Arms ABS (1)Opposing Arms RH (2)Other (131)P1121G1 (1)P820G (2)Pinnacle (98)   Pinnacle CHU613 (19)   Pinnacle CXU612 (31)   Pinnacle CXU613 (45)R (1)R685ST (1)R686ST (1)R688ST (2)RB688S (1)RD (4)RD600 (2)RD685S (3)RD686S (2)RD688 (17)   RD688P (1)   RD688S (14)   RD688SX (1)RD690 (1)   RD690S (1)RENAULT (2)T2050 (1)T2080 (1)T2080B (1)T2130 (2)TBD (1)TRL1076 (1)USED (1)VARIOUS MACK MODELS (9)Vision (32)   Vision CX613 (12)   Vision CXN613 (12)
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Showing 51 - 75 of 2,651 Listings

51 - 75 of 2,651 listings
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Mack CRD151 Rear Differential for a 1989 Mack MC688FC

Mack CRD151 Rear Differential for a 1989 Mack MC688FC

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(Used) 1989 Mack MC688FC, DIFFERENTIAL GEARS ONLY- Part Number: TBD, Serial Number: TBD, Make: Mack, Model: CRD151, Ratio: TBD, Capacity: 28,640 Lbs, For more information about this item,...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MC688FC
Will Fit Year(s)1989
Part NumberTBD
Stock NumberP-500122
MLS Number14244253
CategoryDifferentials, Rear
Last Updated3/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack CRD151 Rear Axle Housing for a 1989 Mack MC688FC

Mack CRD151 Rear Axle Housing for a 1989 Mack MC688FC

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(Used) 1989 Mack MC688FC, DIFFERENTIAL HOUSING ONLY- Part Number: TBD, Serial Number: TBD, Make: Mack, Model: CRD151, Ratio: TBD, Capacity: 28,640 Lbs, Suspension: Leaf Springs, For more...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MC688FC
Will Fit Year(s)1989
Part NumberTBD
Stock NumberP-500121
MLS Number14244250
CategoryAxle Housings, Rear
Last Updated3/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack CRD151 Rear Axle Assembly for a 1989 Mack MC688FC

Mack CRD151 Rear Axle Assembly for a 1989 Mack MC688FC

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(Used) 1989 Mack MC688FC, COMPLETE REAR DIFFERENTIAL- Part Number: TBD, Serial Number: TBD, Make: Mack, Model: CRD151, Ratio: TBD, Capacity: 28,640 Lbs, Hub Bolts: 10, Brake Type: Drum, ...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MC688FC
Will Fit Year(s)1989
Stock NumberP-500119
MLS Number14244247
CategoryAxle Assemblies, Rear
Last Updated3/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack MC688FC Right Spindle

1989 Mack MC688FC Right Spindle

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(Used) 1989 Mack MC688FC, FRONT SPINDLE/KNUCKLE- Part Number: 3QHF545P2, Serial Number: TBD, Side: Passenger Right Side, Make: Mack, Model: FXL20, Capacity: 16,200 Lbs, Hub Bolts: 10, Brake...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MC688FC
Will Fit Year(s)1989
SideRIGHT
Capacity16,200 Lbs
Part Number3QHF545P2
Stock NumberP-500111
MLS Number14244234
CategorySpindles / Knuckles
Last Updated3/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack MC688FC Left Spindle

1989 Mack MC688FC Left Spindle

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(Used) 1989 Mack MC688FC, FRONT SPINDLE/KNUCKLE- Part Number: 3QHF545P2, Serial Number: TBD, Side: Driver Left Side, Make: Mack, Model: FXL20, Capacity: 16,200 Lbs, Hub Bolts: 10, Brake...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MC688FC
Will Fit Year(s)1989
SideLEFT
Capacity16,200 Lbs
Part Number3QHF545P2
Stock NumberP-500110
MLS Number14244233
CategorySpindles / Knuckles
Last Updated3/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Mack MC688FC Front Axle Assembly

1989 Mack MC688FC Front Axle Assembly

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(Used) 1989 Mack MC688FC, COMPLETE FRONT AXLE- Part Number: 3QHF545P2, Serial Number: TBD, Center Leaf to Center Leaf: 33 ½", Make: Mack, Model: FXL20, Capacity: 16,200 Lbs, Hub Bolts: 10,...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)MC688FC
Will Fit Year(s)1989
Capacity16,200 Lbs
Part Number3QHF545P2
Stock NumberP-500103
MLS Number14244226
CategoryAxle Assemblies, Front
Last Updated3/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Mack Differential Part

Mack Differential Part

$800 USD
Genuine Mack Gear Set 24KH1953B 24KH1953B Mack New Gear Set Ratio: 4.64 / 5.02 / 5.32 / 5.73 Fine Spline for Mack CRD 93 / 113 Ring Gear: 8.59in O.D. x 2.75in I.D. x 19 Teeth 2.12in Spline...
ConditionNew
Part Number24KH1953B
Stock Number171772
MLS Number14242492
CategoryDifferential Misc. Parts
Last Updated3/13/2026
Location
Louisville, KY, US
Sold By
River City Truck Parts
(855) 465-___  SHOW
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River City Truck Parts
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