Description
QU30001 Turbo 350 to NP205 27 Spline Coupler for 1974 to 1980 Chevy and GMC 4x4's with Turbo 350 automatic transmissions and New Process NP205 part-time Transfer Cases. Includes one internal groove in center with installed snap ring to keep Coupler centered between the 2 shafts. Imported.
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Dan the Gear Man® Tech Notes:
1972-older GM
Includes Snap Ring
Inspect Shaft Splines
Matching Parts
Applications
Tech Note 1: 1972-older GM
This 4-1/8" long coupler will not work on 1972 and prior GM trucks with either the Turbo 350 or 27 spline Turbo 400 automatic transmission. These older trucks use a longer coupler which is no longer available.
Tech Note 2: Includes Snap Ring
QU30001 includes the center locating snap ring that keeps the coupler fully engaged on both the transmission output shaft and transfer case input shaft.
Tech Note 3: Inspect Shaft Splines
Spline Couplers rarely break, but internal spline wear is fairly common. If your coupler splines are worn there is a good chance the matching shaft spline is also worn. Installing a new Coupler on a worn shaft will only be a short-term fix as the worn shaft splines will quickly wreck the coupler splines.
Tech Note 4: Matching Parts
Matching Parts for QU30001 27 Spline Coupler:
TK30046 Turbo 350, 700R4 Transmission Extension Housing O-Ring
TK10516 Adapter to NP205 Transfer Case Gasket
QU50167 NP205 Input Seal
QU30075 O-Ring for Sealing Inside of Coupler
QU50285 27 Spline NP205 Input Shaft
Applications
GM 4x4's with Turbo 350 Automatic Transmissions: 1974-newer
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