GM Replacement Suspension Parts
Brigadier/General/Astro – Front Suspensions
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| Brigadier/General/Astro Front Suspensions | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
DIA
|
Hanger, Front | 2 | ||
| 2 | 327-184 | Bolt; 15/16″-16 x 5 1/2″Lg | 2 | 688898 | Use w/RB-73 |
| 2 | 327-182 | Bolt, Spring; 15/16″-16 x 5 1/4″Lg; Greasable | 2 | 644249 | Optional: Use w/Key 7 Spacer & UQG Bushing |
| 3 | 334-418 | Nut; 15/16″-16 | 2 | 644536 | |
| 4 |
327-200
|
Spring Pin; 1.422″OD x 5 1/8″Lg x 3 15/16″ c/c | 2 | 653394 | Double Lock |
| 4 |
327-201
|
Spring Pin; 1.422″OD x 6 1/2″Lg x 5 5/16″ c/c | 2 | 720456 | Double Lock |
| 5 | RB-73 | Bushing; 15/16″ID x 1 11/16″OD x 3″Lg | 2 | 3818480 | Offset |
| 6 |
UQG-BM
|
Bushing; 1 27/64″ID x 1 11/16″OD x 3″Lg | 4 or 6 | 15513010 | 3″ Spring Eyes |
| 6 | UQK | Bushing; 1 27/64″ID x 1 11/16″OD x 4″Lg | 6 | 721122 | 4″ Spring Eyes |
| 7 |
DIA
|
Spacer, Spring Eye Front; 1 3/8″ x 15/16″ x 3 1/4″ | 2 | 15516436, 3827772 | Optional |
| 8 | M1426 | Hanger, Shackle; Cast | 2 | 15605465 | |
| 9 | 338-903 | Hanger, Shackle; Stamped | 2 | 15573360 | |
| 10 | 330-104 | Kit, Shackle; w/UQG Bushing | 2 | 15507482 | 3″ Spring Eyes |
| 10 |
330-105
|
Kit, Shackle; w/UQK Bushing | 2 | 720454 | 4″ Spring Eyes |
| 11 |
See Chart
|
Wedge, Camber | AR | See Chart | |
| 12 |
See Shocks
|
Shock Absorber | 2 | Various | Consult Shock Catalog For Model Specific Applications |
| 13 |
401754
|
Bushing, Shock; 1″ID | AR | ||
| 14 |
Find Spring
|
Assembly, Spring | 2 | See Leaf Spring Web Catalog For Details | |
C50/60/70 – Front Suspensions
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| C50/60/70 Front Suspensions | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
DIA
|
Hanger, Front Inner; LH/RH; 1975-89, 2nd Design | 2 | 2042102 | w/F050 & F055 Axles |
| 1 |
DIA
|
Hanger, Front Outer; LH/RH; 1975-89, 2nd Design | 2 | 2040953 | w/F050 & F055 Axles |
| 1 |
DIA
|
Hanger, Front Inner; LH/RH; 1975-89, 2nd Design | 2 | 2044360 | w/F070, F090 & F120 Axles |
| 1 |
DIA
|
Hanger, Front Outer; LH/RH; 1975-89, 2nd Design | 2 | 2040956 | w/F070, F090 & F120 Axles |
| 2 | 327-184 | Bolt; 15/16″-16 x 5 1/2″Lg | 2 | 688898 | 3″ Wide Springs |
| 2 | 334-798 | Assembly, Bolt; 3/4″-16 x 4″Lg | 2 | 9418882 | Incl. Bolt & Hdwe. |
| 3 |
DIA
|
Washer; .812″ x 1 3/8″ x .100″ | 4 | 2436168 | Use SUW-34 |
| 3 |
DIA
|
Washer; .960″ x 1 1/2″ x .130″ | 4 | 3865187 | Use SUW-100 |
| 4 | 334-418 | Nut; 15/16″-16 | 2 | 644536 | |
| 5 | RB-90 | Bushing; 3/4″ID x 2″OD x 2 1/2″Lg | 2 | 3865740 | Inner Sleeve |
| 5 | RB-73 | Bushing; 15/16″ID x 1 11/16″OD x 3″Lg | 2 | 3818490 | Offset |
| 5 |
RB-94
|
Bushing; 15/16″ID x 1 7/8″OD x 2 1/4″ Oval x 3″Lg | 2 | 3865746 | |
| 6 |
DIA
|
Hanger, Rear; LH/RH; L/R, 1975-89 | 2 | 2042161 | w/F050 & F055 Axles |
| 6 |
DIA
|
Hanger, Rear; LH/RH; 1973-78, 65 Series Only | 2 | 3888496 | w/F070, F090 & F120 Axles |
| 6 |
DIA
|
Hanger, Rear; LH/RH; 1975-89 | 2 | 2040847 | w/F070, F090 & F120 Axles |
| 7 | 334-768 | Assembly, Bolt; 5/8″-18 x 4 1/2″Lg | 2 | 955375 | Incl. Bolt & Hdwe. |
| 7 | 334-770 | Assembly, Bolt; 5/8″-18 x 5″Lg | 2 | 23-09444-500 | Incl. Bolt & Hdwe. |
| 8 |
DIA
|
Spacer, Rebound; .68″ x 2.898″ | 2 | 3850328 | w/ 2 1/2″ Spring |
| 8 |
DIA
|
Spacer, Rebound; .68″ x 3.485″ | 2 | 3865601 | w/3″ Spring |
| 9 | 334-732 | Assembly, Cushion/Retainer | 2 | 3865198, 3865199 | For 2 1/2″ Wide Springs |
| 9 | 334-733 | Assembly, Cushion/Retainer | 2 | 2073778 | For 3″ Wide Springs |
| 10 |
DIA
|
Plate, Top; 2 1/2″ x 4 3/16″ | 2 | 3823750 | w/F050 & F070 Axles |
| 10 |
DIA
|
Plate, Top; 3″ x 5 3/16″ | 2 | 3823751 | w/F050 & F070 Axles |
| 10 |
DIA
|
Plate, Top; 3″ x 6 3/16″ | 2 | 3823752 | w/F090, F120 Axles |
| 11 |
DIA
|
Block, Spacer; 3″ x 5″ x 1 11/16″ | AR | 3894045 | |
| 11 |
DIA
|
Block, Spacer; 3 1/2″ x 5 3/4″ x 1 5/16″ | AR | 2085977 | |
| 11 |
DIA
|
Block, Spacer; 3 1/2″ x 6 5/8″ x 1 11/16″ | AR | 3894050 | |
| 12 | 361-368 | Kit, U-Bolt; Square Bend, Grade 5 | 4 | 2066295 | 9/16″ x 2 9/16″ x 7 5/8″ S |
| 12 | 361-370 | Kit, U-Bolt; Square Bend, Grade 8 | 4 | 2416103 | 5/8″ x 3″ x 8 3/8″ S |
| 12 | 361-372 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 3894052 | 3/4″ x 3″ x 9 3/8″ CR2 |
| 13 |
See Shocks
|
Shock Absorber | 2 | Various | Consult Shock Catalog For Model Specific Applications |
| 14 |
Find Spring
|
Assembly, Spring | 2 | See Leaf Spring Web Catalog For Details | |
Four Spring Corporate Suspension
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| Four Spring Corporate Suspension | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
DIA
|
Hanger, Front | 2 | ||
| 2 |
DIA
|
Hanger, Center | 2 | ||
| 3 | 338-1160 | Hanger; Stamped; 1983-89 | 2 | 15500575, 2065635 | w/3″ Springs; All Axles |
| 4 |
338-1780
|
Assembly, Equalizer | 2 | 2092264 | Obsolete |
| 5 |
334-1578
|
Assembly, Bolt; 1 1/4″-12 x 8″Lg | 2 | Incl. Bolt, Bushing & Hdwe. | |
| 6 | 321-337 | Bushing; 1 5/16″ID x 3″OD x 3 15/16″Lg | 2 | 2092263 | |
| 7 |
334-1353
|
Bolt; 1 1/4″-12 x 8″Lg | 2 | 9440068 | Obsolete |
| 8 |
SFW-125
|
Washer, Flat; 1 1/4″ | 4 | 15504371 | |
| 9 | SLN-108 | Nut, Lock; 1 1/4″-12 | 2 | 9414006 | |
| 10 | 327-264 | Bolt; 1/2″-13 x 5″Lg | 8 | 9427760 | |
| 11 |
SLNC-102
|
Nut, Lock; 1/2″-13 | 8 | ||
| 12 |
334-1349
|
Bolt; 15/16″-16 x 6 3/4″Lg | 4 | 15501900 | One Side Milled Flat |
| 13 | 334-152 | Washer, Hard Flat; 1″ID x 1 3/4″OD x 7/64″Thk | 16 | ||
| 14 | 334-418 | Nut; 15/16″-16 | 8 | 644536 | |
| 15 |
345-827
|
Torque Rod, Rigid; 13 15/16″Lg c/c | 2 | 2092269 | Incl. RB-168 & RB-73 Bushings |
| 16 |
345-828
|
Torque Rod, Rigid; 20 1/4″Lg c/c | 2 | 2092273 | Incl. RB-168 & RB-73 Bushings |
| 17 |
RB-168
|
Bushing; 1 3/4″ID x 3″OD x 3″Lg | 4 | Hanger End | |
| 18 | RB-73 | Bushing; 15/16″ID x 1 11/16″OD x 3″Lg | 4 | Offset | |
| 19 |
334-1352
|
Spacer; 1 1/32″ID x 2 1/2″OD x .531″Thk | 4 | 15501896 | Obsolete |
| 20 |
334-1348
|
Liner, Eccentric; 1 3/4″OD x 3″Lg | 4 | 2079515 | Use w/RB-168 Bushing |
| 21 |
334-1350
|
Bolt; 15/16-16 x 6 1/4″Lg | 4 | 15503888 | Obsolete |
| 22 | 361-392 | Kit, U-Bolt; Special Bend, Grade 8 | 8 | 15642864 | 7/8″ x 3″ x 20 1/2″ CR3 |
| 23 |
Find Spring
|
Assembly, Spring | 4 | See Leaf Spring Web Catalog For Details | |
Rear Single Axle Suspension
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| Rear Single Axle Suspension (w/Torque Leaf) | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 | 338-914 | Hanger; LH; Stamped | 1 | 8884185 | 1973-90; w/Frame Reinforcement; 3″ Springs; 18.5k-23k Axles |
| 1 | 338-915 | Hanger; RH; Stamped | 1 | 8884186 | 1973-90; w/Frame Reinforcement; 3″ Springs; 18.5k-23k Axles |
| 1 | 338-937 | Hanger; LH; Stamped | 1 | 8884183 | 1973-90; w/o Frame Reinforcement; 18.5k-23k Axles |
| 1 | 338-938 | Hanger; RH; Stamped | 1 | 8884184 | 1973-90; w/o Frame Reinforcement; 18.5k-23k Axles |
| 1 |
338-905
|
Hanger; LH; Stamped | 1 | 8884189 | 1973-82 w/o Frame Reinforcement; 2 1/2″ Springs; 11.5k-17.5k Axles |
| 1 |
338-906
|
Hanger; RH; Stamped | 1 | 8884190 | 1973-82 w/o Frame Reinforcement; 2 1/2″ Springs; 11.5k-17.5k Axles |
| 2 |
DIA
|
Hanger, Front; LH/RH; Cast; 1988-95 | 2 | 15508250 | w/23k Axle; Incl. Top Kick |
| 3 | 338-907 | Hanger; LH; Stamped | 1 | 8884191 | 1973-82; 3″ Springs; All Axles |
| 3 | 338-908 | Hanger; RH; Stamped | 1 | 8884192 | 1973-82; 3″ Springs; All Axles |
| 3 |
338-901
|
Hanger; LH; Stamped | 1 | 8884193 | 1973-82; 2 1/2″ Springs |
| 3 |
338-904
|
Hanger; RH; Stamped | 1 | 8884194 | 1973-82; 2 1/2″ Springs |
| 4 | 338-1160 | Hanger; Stamped; 1983-89 | 2 | 15500575 | w/3″ Springs; All Axles |
| 5 | 327-187 | Bolt; 1″-14 x 5 1/2″Lg | 2 | 2317659 | |
| 5 | 327-500 | Bolt; 1″-14 x 6″Lg | 2 | ||
| 5 | 334-768 | Assembly, Bolt; 5/8″-18 x 4 1/2″Lg | 2 | 955375 | Incl. Bolt & Hdwe. |
| 6 | SLN-107 | Nut, Lock; 1″-14 | 2 | ||
| 7 | RB-75 | Bushing; 1″ID x 1 13/16″OD x 3″Lg | 2 | 3822129 | |
| 7 | RB-74 | Bushing; 5/8″ID x 1 3/8″OD x 2 1/2″Lg | 2 | ||
| 8 |
334-965
|
Kit, Bushing & Pin; Urethane | 2 | Use w/Stamped Hangers | |
| 9 | 327-264 | Bolt; 1/2″-13 x 5″Lg | 4 | 9427760, 274318 | |
| 10 |
SLNC-102
|
Nut, Lock; 1/2″-13 | 4 | ||
| 11 | 327-196 | Pin, Rebound; 3/4″OD x 4 3/8″Lg | 2 | 3858674 | 3″ Wide Springs |
| 11 | 327-202 | Pin, Rebound; 3/4″OD x 5″Lg | 2 | 3818491 | 3″ Wide Springs; Early |
| 11 |
327-195
|
Pin, Rebound; 5/8″ x 4″Lg | 2 | 3858673 | 2 1/2″ Wide Springs |
| 12 | 334-723 | Retainer, Rebound Pin | 4 | 15523088 | |
| 13 | 338-1830 | Bracket | 4 | 2045844 | |
| 14 | 338-829 | Spacer; 1 1/4″ x 3″ x 8 7/16″Lg | AR | 712702 | 1978-88; w/3″ Spring |
| 15 | 338-1174 | Seat; 4° | 2 | 15531408, 2004210 | 1979-89; 17k thru 22k Axles; w/167″, 173″, 179″, 189″ & 203″ WB |
| 16 | 361-352 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 793296 | 3/4″ x 2 9/16″ x 14 5/8″ CR |
| 16 | 361-354 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 2030703 | 3/4″ x 2 9/16″ x 16 5/8″ CR |
| 16 | 361-356 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 2416110 | 3/4″ x 3″ x 16 3/8″ CR1 |
| 16 | 361-358 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 793298 | 3/4″ x 3″ x 18 3/8″ CR1 |
| 16 | 361-360 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 15504986 | 3/4″ x 3″ x 23 3/8″ CR1 |
| 16 | 361-362 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 793295 | 7/8″ x 3″ x 18 3/8″ CR1 |
| 16 | 361-364 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 8884242 | 7/8″ x 3″ x 20 3/8″ CR1 |
| 16 | 361-366 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 15502708 | 7/8″ x 3″ x 23 3/8″ CR1 |
| 17 |
See Shocks
|
Shock Absorber | 2 | Various | Consult Shock Catalog For Model Specific Applications |
| 18 |
Find Spring
|
Assembly, Spring | 2 | See Leaf Spring Web Catalog For Details | |
Rear Suspension Axle with Radius Leaf
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| Rear Single Axle Suspension (w/Radius Leaf) | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 | 338-1160 | Hanger; Stamped; 1983-89 | 4 | 15500575 | w/3″ Springs; All Axles |
| 1 |
DIA
|
Hanger, Front & Rear; 6-Hole | 4 | 2065635, 2474850 | Use 338-1160 |
| 2 | 327-264 | Bolt; 1/2″-13 x 5″Lg | 4 | 9427760 | |
| 3 |
SUW-12
|
Washer, U-Bolt; 1/2″ | 4 | ||
| 4 |
SLNC-102
|
Nut, Lock; 1/2″-13 | 4 | ||
| 5 |
DIA
|
Plate, Reinforcement | 2 | 2096346 | |
| 6 |
DIA
|
Hanger, Radius Leaf | 2 | 2474846 | |
| 7 |
48-919
|
Leaf, Radius; 31 1/8″Lg | 2 | 2482691 | |
| 7 |
48-933
|
Leaf, Radius; 30 11/16″Lg | 2 | 712329 | |
| 8 | RB-73 | Bushing; 15/16″ID x 1 11/16″OD x 3″Lg | 4 | Offset | |
| 9 | 327-184 | Bolt; 15/16″-16 x 5 1/2″Lg | 4 | 688898 | |
| 10 | 334-418 | Nut; 15/16″-16 | 4 | 644536 | |
| 11 |
DIA
|
Plate, Top | 2 | 2006472 | |
| 12 |
DIA
|
Shim | AR | 712795 | |
| 13 |
DIA
|
Bracket, Radius Leaf/Axle; LH | 2 | 712351 | |
| 13 |
DIA
|
Bracket, Radius Leaf/Axle; RH | 2 | 712352 | |
| 14 |
DIA
|
Plate, Bottom | 2 | 2040190, 2004213 | |
| 15 |
SP
|
U-Bolt, Bent to Order | 4 | Specify Length, Width, Diameter & Bend | |
| 16 |
See Shocks
|
Shock Absorber | 2 | Various | Consult Shock Catalog For Model Specific Applications |
| 17 |
401754
|
Bushing, Shock; 1″ID | AR | ||
| 18 |
Find Spring
|
Assembly, Spring | 2 | See Leaf Spring Web Catalog For Details | |
TopKick/Kodiak (From 1990), GM Tilt Cab – Rear Single Axle Suspensions
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| TopKick®/Kodiak® (From 1990), GM Tilt Cab® Rear Single Axle Suspensions |
|||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
DIA
|
Hanger | 2 | 15641039 | From 15k-23k w/Tapered Spring; 10.7″ Frame |
| 1 |
DIA
|
Hanger | 2 | 15641040 | 15k, 19k & 21k Multileaf, 16k-23k Taper Leaf w/o Fr. Reinf. Or Ext. Fr. & 9.5″/9.6″ Frame |
| 1 |
DIA
|
Hanger | 2 | 15641041 | 15k-23k w/Multileaf, 16k-23k Taper Leaf w/Fr. Reinf. Or Frame Extension |
| 2 | 338-1961 | Hanger, Rear | 2 | 15641037 | 13.5k-23k w/Taper Spring; 9.5″Frame |
| 2 |
338-1962
|
Hanger; Cast | 2 | 15641044 | C7; 19k-23k w/Taper Spring; 10.7″Frame |
| 2 |
DIA
|
Hanger | 2 | 15641042 | From 19k-21k w/Multileaf Spring; 10.7″ Frame |
| 2 |
DIA
|
Hanger | 2 | 15641043 | From 13.5k-21k w/Multileaf Spring |
| 3 |
DIA
|
Bracket, Auxiliary Spring | 4 | 15641070 | |
| 4 |
330-353
|
Assembly, Shackle | 2 | 15641035 | |
| 5 | RB-191 | Bushing; 22mm ID x 52mm OD x 74mm Lg | 2 or 6 | 15588651 | |
| 6 | 334-909 | Bolt; M22-2.5 x 135mm Lg | 2 | 15608999 | |
| 7 | 334-910 | Bolt; M22-2.5 x 190mm Lg | 2 or 4 | 15641062 | |
| 8 | 334-911 | Nut, Lock; M22-2.5 | 2 or 6 | 15609003 | |
| 9 | 361-391 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 15624750, 15643019 | 3/4″ x 3″ x 18 1/2″ CR3 |
| 9 | 361-392 | Kit, U-Bolt; Special Bend, Grade 8 | 4 | 15642864 | 7/8″ x 3″ x 20 1/2″ CR3 |
| 10 | 65415 | Shock Absorber | 2 | 22064402 | |
| 10 | 65416 | Shock Absorber | 2 | 22064489 | |
| 10 | 66626 | Shock Absorber | 2 | 22064232 | |
| 10 |
See Shocks
|
Shock Absorber | 2 | Various | Consult Shock Catalog For Model Specific Applications |
| 11 |
Find Spring
|
Assembly, Spring | 2 | See Leaf Spring Web Catalog For Details | |
TopKick/Kodiak/GM – Tilt Cab Front Suspension
Click on the part number for information and pricing!
| TopKick®/Kodiak®/GM Tilt Cab® Front Suspension | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
DIA
|
Hanger, Front | 2 | 15608982, 15654693 | w/Full Frame Depth |
| 1 |
DIA
|
Hanger, Front | 2 | 15609888 | C7/F7 |
| 2 |
338-1959
|
Hanger | 2 | 15609039 | All Models |
| 2 |
338-1960
|
Hanger; Cast | 2 | 15609890 | C7/F7; w/Inverted L Frame |
| 2 |
DIA
|
Hanger; Cast | 2 | 15609889 | C7/F7; w/o Inverted L Frame |
| 3 |
330-354
|
Assembly, Shackle | 2 | 15587778 | All Suspensions |
| 4 |
RB-190
|
Bushing; 20mm ID x 46mm OD x 89mm Lg | 6 | 15588650 | |
| 5 |
334-908
|
Bolt; M20-2.5 x 150mm Lg | 6 | 11514454 | |
| 6 |
334-906
|
Nut, Lock; M20-2.5 | 6 | 11501035 | |
| 7 |
361-389
|
Kit, U-Bolt; Special Bend, Grade 8 | 4 | 5/8″ x 4″ x 8 1/4″ CR | |
| 7 |
361-390
|
Kit, U-Bolt; Special Bend, Grade 8 | 4 | 3/4″ x 4″ x 8 1/4″ CR | |
| 8 |
M66628
|
Shock Absorber | 2 | ||
| 8 |
See Shocks
|
Shock Absorber | 2 | Various | Consult Shock Catalog For Model Specific Applications |
| 9 |
Find Spring
|
Assembly, Spring | 2 | See Leaf Spring Web Catalog For Details | |