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Axle Assembly Rr 4.3L At 4X4 3.73 (Opt Gt4) Fits 1999-2005 Silverado 1500 Pickup 6399

4.3L,AT,4×4, 3.73 (opt GT4)

Still on vehicle – R6399 – 435-01955C

*See fitment in description for exact vehicle fitment*

SKU: 6399 Category:

Fits these vehicles with these options:

SIERRA 1500 PICKUP 01 exc. Crew Cab; 4×2, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 01 exc. Crew Cab; 4×4, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 02-03 Extended Cab, w/o Quadrasteer; 4×2, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 02-03 Extended Cab, w/o Quadrasteer; 4×4, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 02-04 Regular Cab, 4×2, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 02-04 Regular Cab, 4×4, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 04 Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 04 Extended Cab, w/o Quadrasteer; 3.73 ratio (opt GT4), w/o spring special
SIERRA 1500 PICKUP 05 Extended Cab, w/o Quadrasteer; 3.73 ratio (opt GT4), 8.6″ ring gear, hydraulic power brakes (opt JH1)
SIERRA 1500 PICKUP 05 Regular Cab, 4×2, 3.73 ratio (opt GT4), hydraulic power brakes (opt JH1)
SIERRA 1500 PICKUP 05 Regular Cab, 4×4, 3.73 ratio (opt GT4), hydraulic power brakes (opt JH1)
SIERRA 1500 PICKUP 99-00 4×2, 3.73 ratio (opt GT4)
SIERRA 1500 PICKUP 99-00 4×4, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 01 exc. Crew Cab; 4×2, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 01 exc. Crew Cab; 4×4, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 02-03 Extended Cab, w/o Quadrasteer; 4×2, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 02-03 Extended Cab, w/o Quadrasteer; 4×4, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 02-04 Regular Cab, 4×2, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 02-04 Regular Cab, 4×4, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 04 Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 04 Extended Cab, w/o Quadrasteer; 3.73 ratio (opt GT4), w/o spring special
SILVERADO 1500 PICKUP 05 Extended Cab, w/o Quadrasteer; 3.73 ratio (opt GT4), 8.6″ ring gear, hydraulic power brakes (opt JH1)
SILVERADO 1500 PICKUP 05 Regular Cab, 4×2, 3.73 ratio (opt GT4), hydraulic power brakes (opt JH1)
SILVERADO 1500 PICKUP 05 Regular Cab, 4×4, 3.73 ratio (opt GT4), hydraulic power brakes (opt JH1)
SILVERADO 1500 PICKUP 99-00 4×2, 3.73 ratio (opt GT4)
SILVERADO 1500 PICKUP 99-00 4×4, 3.73 ratio (opt GT4)

4.3L,AT,4×4, 3.73 (opt GT4)

AT7 AT8 BC4 BC5 BR9 BT6 BZ6 BZ7 CA6 DA5 DF4 DU3 DU4 DX3 DX4 DY3 FB7 GL9 JB4 JB5 MH2 MH4 MY2 MY3 MY4 UH5 WW7 XB6 XB7 XK5 XK6

Conditions and Options

4.3L,AT,4×4, 3.73 (opt GT4)
Interchange #

Stock #

Year

2000
Model

SILVRDO15
Category

Y
OE Part Numbers

AT7 AT8 BC4 BC5 BR9 BT6 BZ6 BZ7 CA6 DA5 DF4 DU3 DU4 DX3 DX4 DY3 FB7 GL9 JB4 JB5 MH2 MH4 MY2 MY3 MY4 UH5 WW7 XB6 XB7 XK5 XK6

Most purchases include 30-day warranty and returns. If you are not 100% satisfied, please contact us. Many computers, modules, speedometers, radios, and other electrical parts require reprogramming or relearn procedures once installed. Our warranty does not cover labor, reprogramming, or other expenses. Any refund will not be greater than the original purchase price.

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