TK10859, TK10859U New Process NP205 Transfer Case Low Gear

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TK10859 Genuine 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. Made in U.S.A.

TK10859U Used NP205 Low Gear available while supplies last.

TK10859
New Process NP205 Transfer Case Low Gear
Yes
* Kits made up of multiple items may not show an inventory in-stock status but are almost always in stock!

TK10859U VERY LIMITED SUPPLY!
Very Good Used
New Process NP205 Transfer Case Low Gear

This is a USED Item.
It is a good, serviceable part, but it will show evidence of use and may need cleaning or polishing before installation.
It is sold as-is. This item is non-returnable after 30 days.

Yes
* Kits made up of multiple items may not show an inventory in-stock status but are almost always in stock!

tech note

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

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

Optional Matching Parts for TK10859 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


tech note

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.