Mack's Standard Transmission Inc.
Transmission ID:
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Ford
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Toyota
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Bearing Rebuild Kits:
Transmissions
Transfer Cases
Front & Rear Axles

Parts:
Bearings
Seals
Synchronizers
Main Shafts
Input Shafts
Counter Shafts
Gears
Bearing Retainers
Shift Forks
Clutch Kits
Pressure Plates
Ring & Pinion Sets
Carriers
Return Policy
Related Links:
Call for Standard ( Manual ) Transmission Parts and Pricing. Or Email: parts@mackstrans.com
New Venture NV4500 Chevy
Bearing (Rebuild) Kit:
  Application Year Notes Kit # w/Synchros
GM        
  New Venture 5sp MT8 2WD, 4x4, NV4500
 90-on
 Iron Case, Alum Top Cover. Case is Cast "C-16812" or "C-18157'.'
 BK308 BK308WS
  New Venture 5sp MT8 2WD, 4x4, NV4500
 96-on
 Iron Case, Alum Top Cover. Case is Cast "C-23167" Uses Flat Front Retainer.
 BK308B BK308BWS
Countershaft (Cluster):
REF # Part # Description
8 22608 NV4500 Cluster, 90-96, 1 Piece
8 22657 NV4500 Cluster, 97-On, 1 Piece

Input Shaft:
REF # Part # Description
16 17310 NV4500 Input, Chevy, 20t, 6.34 Ratio
16 20018 NV4500 Input, Chevy, 22t, 5.61 Ratio
16 25354 NV4500 Input, Dodge, 22t, Gas
16 25356-18160 NV4500 Input, Dodge, 22t, Diesel
16 17311 NV4500 Input, Dodge, 22t, 19spl

Main Shaft:
REF # Part # Description
2 25330 NV4500 Mainshaft, Chevrolet, 2WD, 20 1/4"
2 27170 NV4500 Mainshaft, Chevrolet, 4X4, 19 3/4"
2 25332 NV4500 Mainshaft, Chevrolet, GMT w/Brake
2 27171 NV4500 Mainshaft, Dodge, 4X4, Gas
2 27173 NV4500 Mainshaft, Dodge, 4X4, Diesel
2 27176 NV4500 Mainshaft, Dodge, 2WD, Diesel
2 27172 NV4500 Mainshaft, Dodge, 2WD, 24 1/4"

Hubs & Sleeves (sliders):
REF # Part # Description
43 18412 NV4500 3-4 Synchro Assy
45 17306 NV4500 5th or Reverse Slider
43 17301 NV4500 3-4 Inner Hub
43 18321 NV4500 3-4 Slider
Synchros:
REF # Part # Description
83b 17084 NV4500 1-2 Synchro Ring, Inner
83a 17078 NV4500 1-2 Friction Synchro Ring
83 17284 NV4500 1-2 Synchro Ring, Outer
14 24025 NV4500 3-4 Synchro Ring
14b 24024 NV4500 5th Synchro Ring

Shift Forks:
REF # Part # Description
  18303 NV4500 1-2 Shift Fork
  18302 NV4500 3-4 Shift Fork
  18931 NV4500 Reverse Shift Fork
  18937 NV4500 5th Shift Fork

Bearings:
REF # Part # Description
5 M804010 NV4500 Rear M/S Bearing Cup
5 M804049 NV4500 Rear M/S Bearing Cone
57 16803 NV4500 Reverse Gear Needle Bearing
51 21503 NV4500 1st Gear Needle Bearing
52 21503 NV4500 2nd Gear Needle Bearing
53 21504 NV4500 3rd Gear Needle Bearing
3 AXJ37X56.8X4.7 NV4500 Input Thrust Needle Bearing
4 K28/40/25 NV4500 Input Pocket Bearing
1 M802011 NV4500 Input Bearing Cup
1 M802048 NV4500 Input Bearing Cone
23 LM501310 NV4500 Rear Cluster Bearing Cup
23 LM501349 NV4500 Rear Cluster Bearing Cone
7 LM102910 NV4500 Front Cluster Bearing Cup
7 LM102949 NV4500 Front Cluster Bearing Cone
55 21505 NV4500 5th Gear Needle Bearing

Bearing Retainers:
REF # Part # Description
6 17507 NV4500 Chevrolet Front Retainer
6 18161 NV4500 Dodge Diesel Front Retainer
6 17508 NV4500 Bearing Retainer Dodge 19spl
6 18347 NV4500 Bearing Retainer Dodge 10spl Gas
6 22414 NV4500 Retainer Flat (Alum.)
Key / Spring / Ball Kit:
REF # Part # Description
  17285 NV4500 1-2 Springs
  NV4500-K1 NV4500 1-2 Synchro Key/Spring Kit
  17289 NV4500 1-2 Keys
  NV4500-K1 NV4500 1-2 Synchro Key/Spring Kit
  17346 NV4500 3-4 Synchro Spring
  17299 NV4500 3-4 Synchro Key
NV4500-K3 NV4500 3-4, 5-R Synchro Key/Spring Kit
  17346 NV4500 5-R Synchro Spring
  17299 NV4500 5-R Synchro Key

Gears 1-R:
REF # Part # Description
9 17271 NV4500 C/S 4th Gear, 39t, 6.34 Ratio
9 17272 NV4500 C/S 4th Gear, 38t, 5.61 Ratio
11 18922 NV4500 3rd Gear, 28t, 6.34 Ratio
11 23712 NV4500 3rd Gear, 29t, 5.61 Ratio
12 17290 NV4500 1st Gear
18 16999 NV4500 Mainshaft 5th Gear, 22t, 31spl
18 18164 NV4500 Mainshaft 5th Gear, 22t, 35spl (Cummins Dodge)
19 17317 NV4500 C/S 5th Gear, 51t 6.34 Ratio, 6 1/4" Diameter
19 17318 NV4500 C/S 5th Gear
19 17581 NV4500 C/S 5th Gear, 51t 6.34 Ratio (Comes w/Slider, Keys & Springs)
19 17582 NV4500 C/S 5th Gear, 51t 5.61Ratio (Comes w/Slider, Keys & Springs)
21 17293 NV4500 2nd Gear, 37t
34 17330 NV4500 C/S 3rd Gear, 30t, 5.61 Ratio
34 17329 NV4500 Countershaft 3rd Gear, 6.34 Ratio
36 23271 NV4500 Reverse Gear 35t, Dodge
36 17308 NV4500 Reverse Gear 39t, 92-96 Chevy
36 17309 NV4500 Reverse Gear 39t, 92-96 Dodge
36 23267 NV4500 Reverse Gear 35t, 97-98 Chevy
Miscelaneous Parts :
REF # Part # Description
77 18693 NV4500 Mainshaft Nut, 2WD Chevy
77 27133 NV4500 Mainshaft Nut Kit
77 27134 NV4500 Mainshaft Nut Kit
  16725 NV4500 2WD Rear Seal
  17773 NV4500 Brake Drum Seal
  18972 NV4500 Rear Seal, Bolt-on Yoke
  19601 NV4500 4X4 Rear Seal
  19970 NV4500 2WD Rear Seal, Chevy
  21938 NV4500 2WD Rear Seal, Diesel
  24982 NV4500 Brake Drum Seal
  17201 NV4500 Fork Insert (Uses 2)
  17202 NV4500 Fork Insert (Uses 1)
  17201 NV4500 Shift Fork Insert (Uses 2)
  17202 NV4500 Shift Fork Insert (Uses 2)
  16846 NV4500 Front Counter Gear Cap
18881 NV4500 Speedometer Gear, Dodge
18172 NV4500 Tailhousing Bushing, Dodge, Diesel
16811 NV4500 Mainshaft Shim Kit
16853 NV4500 Countershaft Shim Kit
  18172 NV4500 Dodge Diesel 2WD Bushing
  18920 NV4500 Reverse Gear Clutch Cone, Chevy
  18923 NV4500 Reverse Gear Clutch Cone, Dodge
  16795 NV4500 3rd Gear Thrust Washer
  21313 NV4500 Input Synchro Cone
  16780 NV4500 Front Seal
  18921 NV4500 5th Gear Clutch Cone
SP4500-50 NV4500 Small Parts Kit
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