Description
TK10859U Good Used NPG NP205 Low Gear All non-synchronized New Process NP205 transfer cases use two of these Gears, one on each output shaft (synchronized models use one, on the rear output shaft). Not a common part to replace due to its rugged design, however, they are subject to wear over time, or with low/dirty oil conditions. 35 tooth.
Also See TK10859 New Genuine NP205 Low Gear
Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!
Dan the Gear Man® Tech Notes:
Worn Clutch Teeth
Check Low Gears for Wear
Tech Help
Exploded Views
Matching Parts
Applications
Tech Note 1: Worn Clutch Teeth
Wear on the clutch teeth is the most common reason to replace a NP205 Low Gear. Worn clutch teeth can cause the transfer case to jump out of 4x4 low range under load. Another place to look for wear is inside the shaft bore. 205's run with low or dirty oil will often have low gears that have scored or galled bearing bores.
Tech Note 2: Check Low Gears for Wear
Always check your Low Gears for wear in these 4 areas: Bearing Bore (should be smooth with no ridges or pits), Thrust Faces (should be smooth), Clutch Teeth (should have sharp edges) and Gear Teeth (check for burn marks, chips, and broken teeth).
Tech Note 3: Tech Help
Need Tech Help on rebuilding your NP205? Get my TM2000 New Process NP205 Transfer Case Service Manual. A Complete NP205 shop Manual with over 375 color photographs is your indispensable NP205 resource for Repair Procedures and Parts Identification. Complete coverage of Disassembly, Inspection, and Reassembly Procedures. Also, Shop Notes, Tool Recommendations, Complete Parts Guide, and full color Exploded Views, including Right Drop and Left Drop Models, plus GM Specific Parts. Covers New Process NP205 Transfer Cases found in Chevrolet, Dodge, Ford, GMC, and International Harvester (IHC) 4x vehicles from 1969-1993.
Or my TM2002 for the Exploded Views and Parts Guide only. Fully Illustrated with dozens of crisp color photographs for EASY Parts Identification! This Manual includes 10 page Parts Identification Guide with full color Exploded Views.
Tech Note 4: Exploded Views
Exploded View XV4005 1980-1993 Dodge NP205 Transfer Case
Exploded View XV4006 1969-1974 Dodge NP205 Transfer Case
Exploded View XV4007 1969-1975 IHC NP205 Transfer Case
Exploded View XV4008 1973-1977.5 Ford F250 Remote NP205 Transfer Case
Exploded View XV4009 1973-1979 Ford Direct Mount NP205 Transfer Case
Tech Note 5: Matching Parts
Optional Matching Parts for QU10859AM are:
QU50185 Low Gear Bearing Rollers (use 4 packs of 16 each, 64 total needle roller bearings)
TK10661 or QU50339 Clutch Rings
QU10689 Low Gear Lock Ring
QU50359 Low Gear Bearing Spacer
QU50256 Low Gear Thrust Washer
QU10316 Anti-Rotation Pin
QU50345 32 Spline Front Output Shaft
TK50084 32 Spline Rear Output Shaft
Chevy & GMC Shop Manuals
Dodge & Ram Shop Manuals
Ford Shop Manuals
Applications
All New Process NP205 transfer cases
Warranty
Product Reviews
Delivery & Returns
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