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Home > Transfer Case Parts - Chevrolet, Truck, SUV, Car > NP 203
NP 203 Transfer Case
Rebuild Kits / Parts
Drivetrain Parts Las Vegas offer quality rebuilt New Process model NP203 transfer cases rebuild kits and replacement parts. Our NP203 kits are designed to be top of the line professional overhaul kits. NP203 Transfer Case Illustration exploded view is provided below the chart to assist you in part identification and assembly sequence details. The NP203 transfer case is a chain driven transfer case with a cast iron case. The NP203 is a heavy duty case with a 2:00:1 low range with a set of differentials for full time use. The NP203 transfer case was used by Dodge 1974-1979, Ford from 1974 to 1979 and Chevrolet and GMC from 1973 to 1979.
We have a transfer case cross reference and identification page to help assist you in correctly identifying your transfer case Click Here




New Process Model 203
Full-Time Transfer Case

Recommended fluid for NP203 - 30WT
PART NUMBER REF# DESCRIPTION TYPE YEARS PRICE
BEARING KITS










BK203G
Rebuilder Kit - Bearings, Gaskets, Small Parts and Seals General Motors & Dodge See typical kit 1971-79 $139.98
BK203F
Rebuilder Kit - Bearings, Gaskets, Small Parts and Seals Ford w/Direct Mount 1973-79 $129.98
BK203FD
Rebuilder Kit - Bearings, Gaskets, Small Parts and Seals Ford w/Remount Mount 1973-77 V8 APPS $151.98
301001
Small Parts Kit

$39.98






GASKET, SEAL KITS










TSK203F
Overhaul Kit - Gaskets, O' Rings and Seals Ford
$22.98
TSK203G
Overhaul Kit - Gaskets, O' Rings and Seals General Motors & Dodge
$18.95






SHAFTS










301670/11624 # 108 INPUT SHAFT 27 Spline Female GM TH350 OEM SURPLUS 1 AVAIL $150.00
11401
INPUT SHAFT 27 Spline Male GM TH350

$129.83
301670A
INPUT SHAFT 32 Spline Female GM TH400

$128.98
11895
INPUT SHAFT 32 Spline Ford Female

$137.46
3820891
INPUT SHAFT 23 Spline Dodge Female OEM – 1 AVAIL
$150.00






F-OUT2.5 # 240 FRONT OUTPUT SHAFT WITH 2.5” SPKT 30 SPLINE 1 PIECE TYPE OEM SURPLUS $75.00
F-OUT2.5-10
FRONT OUTPUT SHAFT WITH 2.5” SPKT 10 SPLINE 1 PIECE TYPE OEM SURPLUS $100.00


FRONT OUTPUT SHAFT FITTS 2.00” AND 2.50” 2 PIECE TYPE OEM SURPLUS $125.00
3821407 # 113 RANGE COUNTER GEAR SHAFT
CALL $25.00
3821352 # 225 MAIN SHAFT, CENTER SHAFT

$120.00
3821365 # 25 DIFFERENTIAL INPUT SHAFT 61 Ext Teeth, 16t, 5 19/32”
$60.00
4036435 # 226 DIFFERENTIAL REAR OUTPUT SHAFT 30 Spline CALL






GEARS










3821354 # 12 LOW SPEED GEAR (42T)

$80.00
3821409 # 14 RANGE COUNTER GEAR








SPROCKETS










13432 # 235 SPROCKET, CHAIN 2.00" OEM SURPLUS 2pc Type $65.00
3898368 # 235 SPROCKET, CHAIN 2.50", STD OEM SURPLUS 2pc Type $100.00
3898368-HD # 235 SPROCKET, CHAIN 2.5" HD OEM SURPLUS 2pc Type $120.00






DIFFERENTIAL










301715 # 20 Differential Carrier (w/Cage & Bolts, w/o gears) OEM SURPLUS
$150.00
3821366
Differential Spacer/Output Shaft 3 Req
$7.65 Ea
3821365
Differential Carrier Bevel Gears 4 Req ONLY 4 AVAIL $80.00 EA.
4115252
Differential Carrier Cross ( spider )
Coming Soon
384917 # 20 Differential Planet ( Late Model) Complete Oem 1 PIECE CASE NEW $145.00






BEARINGS










301515 # 88 Input shaft Ball Bearing
1973-79 $25.98
301523 # 118 Front Output Shaft Ball Bearing
1973-79 $21.25
301515 # 118 Main Shaft Center Ball Bearing
1973-79 $26.25
301523 # 70 Rear Output Shaft Ball Bearing
1973-79 $21.25






CHAINS










HV-005 # 118 OEM GM 2.50" WIDE CHAIN OEM T/O IN STOCK $150.00
HV-009
OEM MFG. 2.00" WIDE CHAIN OEM T/O IN STOCK $165.00


BOTH CHAINS FITT GM, FORD, DODGE




FRONT OUTPUT SHAFT MAY BE REQUIRED


MISC










301997 # 105 Speedo Gear Red 7 Teeth

$28.00
3732038 # 105 Speedo Gear Yellow 5 Teeth
LIMITED AVAIL $45.00
3821362 # 2.5 Range Slider OEM T/O
$74.98
3821374 # 80 Sliding Clutch OEM SURPLUS
$45.00
3820879 # 23A Fork – Lock Out OEM SURPLUS
$40.00
3821376 # 99 Lock Out Assy Spring Seat

$4.00
3821375 # 98 Lock Out Assy Spring

$6.00
301530 # 104 Oil Pump Gear 5 teeth - 38 spline - 1/2" wide White Nylon L/A 1973-79 $22.98
301221 # 96 Lube Washer NP203
ALL $5.98






CASE PARTS










6273987
Input Bearing Retainer CHEVY CALL $35.00
346396
Rear Output, Rear Housing Chevy
CALL $65.00
3821394
Rear Output, Rear Housing Dodge DODGE CALL $65.00
4167727
Front Output Bearing Retainer w/o Seal
CALL $35.00