Description
QU10124 Timken® NV4500 Input Bearing is a precision ground, Timken® taper bearing that is a replacement for the original Timken® part used by New Venture Gear (NVG) for all NV4500 transmissions in 1992-2005 Dodge and 1992-2007 GM trucks. Timken has manufacturing plants around the world so country of origin may vary, but this part is almost always USA or Canada made. See Tech Note for matching bearing cups.
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Dan the Gear Man® Tech Notes:
GM Transmissions
Soak Bearing
Matching Parts
Lubricants, Sealants, Threadlockers
NV4500 Tools
Matching Bearings, Seals, Bearing Kits for Dodge NV4500
Applications
Tech Note 1: GM Transmissions
GM NV4500 transmissions from 1996-on use a concentric clutch slave cylinder which bolts to a flat, aluminum input bearing retainer. These transmissions use QU10137 special, low profile bearing cup instead of QU10125 cup used in all other NV4500 transmissions.
Tech Note 2: Soak Bearing
Soak QU10124 Bearing in QU90020 NV4500 GL-4 75w85w Manual Transmission Oil or other approved lubricant before assembly.
Tech Note 3: Matching Parts
Matching Parts for QU10124 Input Bearing:
QU10125 Timken Input Bearing Cup for Dodge and 1992-1995 GM
QU10137 Timken Special Input Bearing Cup for 1996-2007 GM NV4500
QU11238 Input Bearing Retainer for 1994-2004 Dodge NV4500HD
QU50830 Input Bearing Retainer for 1994-2005 Dodge NV4500LD
QU10196 Input Bearing Reatiner for 1992-1995 GM
QU10126 Input Seal
QU10100 Bearing Retainer Bolt with factory applied RTV sealant
QU51002 Clutch Release Bearing
QU10077 1-1/8" 22 Tooth Input Shaft for 1995-2007 GM NV4500
QU10043 1-1/8" 20 Tooth Input Shaft for 1992-1994 GM NV4500
QU10054 1" x 19 Spline Input Shaft for 1992-1993 Dodge NV4500
QU10046 1-1/8" Input Shaft for 1994-2005 Dodge NV4500LD
QU10076 Rebuilder Spec NV4500HD 1-1/4" Input Shaft for Dodge NV4500HD
QU10199 Replacement NV4500HD 1-1/4" Input Shaft for Dodge NV4500HD
QT2005 Input Bearing and Seal Installer
Chevy & GMC Shop Manuals
Dodge & Ram Shop Manuals
Tech Note 4: Lubricants, Sealants, Threadlockers
Early production NV4500 Transmissions used an anaerobic sealant (QU90003) to seal between the main case and input bearing retainer, top cover, and rear housing. Mid-production units used anaerobic sealant just on the input retainer and RTV for everything else. Later production transmissions used black RTV Sealant (QU90006 or QU90005) for everything. Either type of sealant works fine (except the PTO covers ALWAYS should be sealed with RTV), but I prefer RTV for all components. Regardless of which sealant you use, make sure excess sealant does not block the lube access hole at the top of input retainer pilot that fits into the transmission case. Also, the threaded holes in the main case for the four retainer bolts and 12 PTO bolts are open ended, so you must use new bolts with factory applied threadlocker or apply Threadlocker (S24200) to your existing bolts to prevent oil seepage past the bolt threads. See my TM1003 NV4500 Shop Manual or VSG1003DVD NV4500 Overhaul Video for more information.
Lubricant and Chemical List for NV4500 Transmissions
QU90020 NV4500 Manual Transmission Oil
QU90003 Anaerobic Sealant
QU90006 3.35 oz Ultra Black RTV Sealant
QU90005 0.5 oz Ultra Black RTV Sealant
S24200 6ml Threadlocker
S9978 1 gram Threadlocker
QU90003 Anaerobic Sealant
QU90006 3.35 oz Ultra Black RTV Sealant
QU90005 0.5 oz Ultra Black RTV Sealant
S24200 6ml Medium Strength Blue Threadlocker
S9978 1 gram Medium Strength Blue Threadlocker
S9979 1 gram High Strength Red Threadlocker
S24026 High Temperature Threadlocker for Mainshaft Nut
Tech Note 5: NV4500 Tools
Need Torque Specs or Rebuild procedures? Order my 116 page, full color illustrated TM1003 NV4500 Rebuild Manual.
You will need some special tools to correctly service your NV4500 Transmission. The chart below lists our current NV4500 Special Tools for popular models.
TOOLS for SPECIFIC NV4500 MODELS |
||||||
| Component | 23 Spline Dodge 4x4 NV4500LD |
29 Spline Dodge 4x4 NV4500HD |
30 Spline Dodge 4x2 NV4500LD |
31 Spline Dodge 4x2 NV4500HD |
32 Spline GM 4x4 |
35 Spline GM 4x2 |
| Mainshaft Nut | QT2002 | QT2001 QT2036 |
QT2002 | QT2001 QT2036 |
QT2002 QT2028 |
1-1/2" Hex Socket |
| Mainshaft Holding | NLA | QT2000 | NLA | QT2011 | N/A | N/A |
| 5th Gear Nut Torx® Cross Bolt |
N/A | QT9205 | N/A | QT9205 | N/A | N/A |
| Output Seal Installer | N/A | QT1801 | N/A | QT2058 CALL |
Not Used | Not Used |
| Tailshaft Bushing Remover and Installer | Not Used | Not Used | Not Used | QT2044 | Not Used | Not Used |
TOOLS For ALL NV4500 MODELS |
||||||
| Countershaft Front Bearing Cup Installer |
QT1802 | Use with QT1101 or QT1119 Driver Handle. Also can use flat side to install Dodge 4x4 Rear Output Seal | ||||
| Countershaft Front Bearing Installer | QT2004 | Can also use to press 3-4 Synchro Hub on original equipment mainshafts | ||||
| Input Bearing & Countershaft Rear Bearing Installer | QT2005 | Can also use to install Input Seal | ||||
| Input Bearing Cup Installer | QT1801 | Use with QT1100, QT1101, QT1116, or QT1119 Driver Handle. | ||||
| Countershaft Support | QT2006 | Use to support front of countersahft when installing countershaft rear bearing | ||||
| 1-2 Synchronizer Support | QT2008 | Use to support 1-2 synchronizer hub during synchronizer assembly | ||||
| 10mm 1/2" Drive 12 Point Socket | QT1020 | USA Made Impact Socket for Factory Tailshaft Housing Bolts | ||||
| Long Shank Punch for Shift Lug | QT9300 | 3/16" x 8" Shank for 5th Gear Shift Lug Roll Pin | ||||
Tech Note 6: Matching Bearings, Seals, Bearing Kits for Dodge NV4500
| Bearing | Individual Bearing or Seal |
1994-2004 TK10237 Taper Bearing Kit |
1994-2004 QK1136 Primary Bearing Kit |
1994-1996 QU10001 Master Bearing & Seal Kit |
1997-2004 QU10005 Master Bearing & Seal Kit |
| Input Bearing Cup |
QU10125 | YES | YES | YES | YES |
| Input Bearing |
QU10124 | YES | YES | YES | YES |
| Mainshaft Rear Cup |
QU10118 | YES | YES | YES | YES |
| Mainshaft Rear Bearing |
QU10119 | YES | YES | YES | YES |
| Countershaft Front Cup |
QU10143 | YES | YES | YES | YES |
| Countershaft Front Bearing |
QU10142 | YES | YES | YES | YES |
| Countershaft Rear Cup |
QU10145 | YES | YES | YES | YES |
| Countershaft Rear Bearing |
QU10144 | YES | YES | YES | YES |
| Input To Main |
QU10133 | NO | YES | YES | YES |
| Input to Main Thrust |
QU10134 | NO | YES | YES | YES |
| 5th | QU10141 | NO | NO | YES | YES |
| 3rd | QU10135 | NO | NO | YES | YES |
| 2nd | QU10055 | NO | NO | YES | YES |
| 1st | QU10055 | NO | NO | YES | YES |
| Reverse | QU10058 | NO | NO | YES | YES |
| Reverse Idler Bearing 1992-96 |
QU10018 (quan 2) |
NO | NO | YES | NO |
| Reverse Idler Bearing 1997-07 |
QU10019 | NO | NO | NO | YES |
| Input Seal | QU10126 | NO | YES | YES | YES |
| 4x4 Output Seal |
QU10123 | NO | YES | YES | YES |
| NV4500HD 4x2 Output Seal |
QU10023 | NO | YES | YES | YES |
| NV4500LD 4x2 Output Seal |
QU10178 | NO | NO | NO | NO |
| Countershaft Front Case Cap |
QU10140 | NO | YES | YES | YES |
| RTV Sealant | QU90006 | NO | YES | YES | YES |
| Medium Strength Threadlocker |
S24200 | NO | YES | YES | YES |
| High Temp Threadlocker |
S24026 | NO | YES | YES | YES |
Applications
Chevy and GMC:
New Venture NV4500 5 Speed Manual Transmissions: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Dodge:
New Venture NV4500 5 Speed Manual Transmissions: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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