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  Page number:  GM-SAR-4y0
GEAR, Cluster (Countershaft)
47461 parts in stock comprising 18283 unique part numbers from 55877 numbers listed. (11/12/2025)
Style Color
Code
OA/Thick OD/Deep ID/Wide Our Part Number Price Picture
Tooth Counts ID Marks
Year Miscellaneous Info  
Years   Part Info Number  
Call 877-771-3372 for current price & availability ( 8am - 8pm Pacific Time )
3-speed

25-21-15-14 teeth
        GM-SAR-4Y-000J-E0 Price Picture
not
available
R25-21-15-14  
     
    Gear, Cluster CS 3859036  
3-speed

28-21-15-14 teeth
GOL 8-3/8" 3-51/64"   GM-SAR-4Y-000H-KV Price Picture
not
available
SR28-21-15-14 <>
  3-speed
Input = 19 teeth
 
    Gear, Cluster CS 3858999  
3-speed

29-21-15-14 teeth
W188 8-3/8" 3-59/64" 52/64" GM-SAR-4Y-000K-G2 Price Picture
not
available
R29-21-15-14 <>
  Input = 18 teeth  
    Gear, Cluster CS 3859951  
3-speed

29-22-15-14 teeth
  8-3/8" 4-5/64"   GM-SAR-4Y-000L-J4 Price Picture
not
available
R29-22-15-14 <>
  Input = 16 teeth <KKK>  
    Gear, Cluster CS 463008  
4-speed

Centered

25-21-19-15-15 teeth
RER 8-3/8"     GM-SAR-4Y-013Q-QM Price Picture
not
available
R25-21-19-15-15-  
  4-speed
Input = 19 teeth
3rd mainshaft = 23 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Centered
 
    Gear, Countershaft Cluster WT302-8E  
    Gear, Cluster 3890549  
4-speed

Centered

25-25-19-15-15 teeth
LYK       GM-SAR-4Y-013L-P9 Price Picture
not
available
DR25-25-19-15-15-  
  4-speed
Input = 19 teeth
3rd mainshaft = 25 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Centered
 
    Gear, Countershaft Cluster WT302-8A  
    Gear, Cluster 3884614  
4-speed

Centered

29-23-19-15-15 teeth

Damper
YVL 8-3/8"     GM-SAR-4Y-013M-GC Price Picture
not
available
DR29-23-19-15-15  
  4-speed
Input = 18 teeth
3rd mainshaft = 21 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Centered
 
    Gear, Countershaft Cluster WT302-8  
    Gear, Cluster 3859970  
4-speed

Offset

25-21-19-15-15 teeth
GVB 8-3/8"     GM-SAR-4Y-013N-JF Price Picture
not
available
R25-21-19-15-15-GH  
  4-speed
Input = 19 teeth
3rd mainshaft = 23 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Offset
Ground hole
Damper gear
 
    Gear, Countershaft Cluster WT302-8C  
    Gear, Cluster 3915034  
4-speed

Offset

28-23-19-15-15 teeth
KRE 8-3/8"     GM-SAR-4Y-0011-8C Price Picture
not
available
R28-23-19-15-15-GH  
  4-speed
Input = 19 teeth <K>
3rd mainshaft = 21 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Offset
Ground hole
No damper gear
 
    Gear, Cluster CS 14004879  
4-speed

Offset

28-23-19-15-15 teeth
OYY 8-3/8"     GM-SAR-4Y-013P-NK Price Picture
not
available
R28-23-19-15-15-  
  4-speed
Input = 19 teeth
3rd mainshaft = 21 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Offset
 
    Gear, Countershaft Cluster WT302-8D  
    Gear, Cluster 3924708  
4-speed

Offset

29-23-19-15-15 teeth
VVL       GM-SAR-4Y-000M-L6 Price Picture
not
available
R29-23-19-15-15-BH  
  4-speed
Input = 16 teeth
3rd mainshaft = 21 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Offset
Bushed hole
 
    Gear, Cluster CS 14008229  
4-speed

Offset

29-23-19-15-15 teeth

Damper
KOO 8-3/8"     GM-SAR-4Y-000N-N8 Price Picture
not
available
DR29-23-19-15-15 <>
  4-speed
Input = 16 teeth <KK>
3rd mainshaft = 21 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Offset
Ground hole
Damper gear
 
    Gear, Cluster CS 14004878  
4-speed

Offset

29-23-19-15-15 teeth

No damper
BVL 8-3/8" 3-60/64"   GM-SAR-4Y-00GM-RY Price Picture
not
available
R29-23-19-15-15 <>
  4-speed
Input = 18 teeth <KK>
3rd mainshaft = 21 teeth
2nd mainshaft = 26 teeth
1st mainshaft = 29 teeth
Reverse gear = Offset
Ground hole
No damper gear
 
    GEAR, Cluster AWT302-8B  
    GEAR, Cluster 3915033  
  Last updated:  11/12/2025
Master Index


Related items:

14009106    TRANSMISSION ASSEMBLY
WT302-21    GERR, Ms 2nd Gear
368092    TRANSMISSION ASSEMBLY
AWT301-205    SYNCHRO ASSEMBLY, 3rd & 4th
AT250-6    BEARING RETAINER, Front
3859014    Gear, 1st MS
3925654    Case
3915037    Gear, Reverse Rs
WT302-11B    Gear, Ms 3rd Gear
3859032    Bearing Rtnr
WT301-82    STOP RINGS, Synchronizer
3859019    Gear, 2nd MS
3859975    GEAR, Reverse Idler
346354    Input Shaft
464117    TRANSMISSION ASSEMBLY
WT301-2    MAINSHAFT
3860044    MAINSHAFT
3924769    SYNCHRONIZER
464143    Trans Assy
355542    TRANSMISSION ASSEMBLY
AWT302-80A    
14050610    TRANSMISSION ASSEMBLY
3859027    Syncro Ring
3884617    Gear, 3rd Speed
3920738    RETAINER, Front Bearing
WT302-11A    Gear, Ms 3rd Gear
368081    TRANSMISSION ASSEMBLY
346313    TRANSMISSION ASSEMBLY
368051    SYNCHRONIZER, 1st & 2nd
3859030    Input Shaft
14078543    Syncro Assy
 
Known to fit GMC, Borg Warner applications.

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  Last update:  11/12/2025