Drive Axle Shaft Bearing (Rear)

Part Number: 12479031
Supersession(s): 9442126

Bearing. Axle.
1.619"I.D. x 2.800"O.D. 2-Wheel Steering. Code-SU7. Drive Axle Shaft Bearing. Drive Ratio 3.23. Drive Ratio 3.42. Drive Ratio 3.73. Ring Gear 7.625". Ring Gear 8.50". Ring Gear 8.500. Ring Gear 8.500". seal. Drive Shaft. Inner. Outer. Wheel. Included with: Axle assembly, Axle assembly Order by description.

Axle Shaft Bearing - Repair or Replace
An axle shaft bearing can fail and result in a squeak or chirp noise, or possibly as a whine or groan that can be mistaken for a wheel bearing noise. Our technicians have extensive experience in repairing this and other issues with your 1999 .

REAR SUSPENSION. SUSPENSION COMPONENTS. Diagram
#4
2 wheel. 2WD. 4 wheel. all. AWD. fiberglass. gas. HD. NXE. NXM. NXN. RAA. RAB. RAC. standard. steel. w/ABS. w/o ABS.
Left. Right.
REAR SUSPENSION. AXLE HOUSING. Diagram
#1
1/2 ton W/8. 5" ring rear. 1995-00. 2WD. 4WD.
1/2 TON W/8.5" RING REAR. Left.1995-00. Right.1995-00.
REAR SUSPENSION. AXLE COMPONENTS. Diagram
#7
1/2 ton. 10. 5" ring gear. 133". 139" wheelbase. 155" whlbase. 159" 177" whlbase. 1996 New Style. 3/4 & 1 ton. 3/4 ton. 8. 5" ring gear. 8. 625" gear. 8. 625" ring gear. 9. 5" ring gear. W/HYDRAULIC brakes. W/O hydraulic brake.
1996 New Style. 3/4 & 1 Ton. Left.1/2. Left.8.5" ring gear. Left.8.625" ring gear. Right.1/2. Right.8.5" ring gear. Right.8.625" ring gear.
REAR SUSPENSION. AXLE HOUSING. Diagram
#1
8. 50" & 8. 625" ring gear W/O quadsteer. W/O quadrasteer.
Left.8.50" & 8.625" RING GEAR. Right.8.50" & 8.625" RING GEAR. W/O QUADRASTEER.
REAR SUSPENSION. AXLE COMPONENTS. BRAKE COMPONENTS. STABILIZER BAR & COMPONENTS. SUSPENSION COMPONENTS. Diagram
#3
1/2 ton. 2WD. 3/4 ton W/10. 5" ring gear. 3/4 ton W/9. 5" ring gear. 4WD. 7200 gvwr. 8. 5" ring gear. 8600 gvwr. 9. 5" gear. ALL. Front. Inner. Leaf spring. Outer.
Left.8.5" ring gear. Right.8.5" ring gear.
REAR SUSPENSION. BRAKE COMPONENTS. SUSPENSION COMPONENTS. Diagram
#3
2 door. 2WD. 4 door. 4WD. Escalade. w/Denali. w/o Denali. w/off road package.
Left. Right.
REAR AXLE. DIFFERENTIAL. PROPELLER SHAFT. Diagram
#4
3. 73 Ratio; W/ANTI-LOCK Brakes. 3. 73 Ratio; W/O Anti-lock Brakes. Astro. Safari; 2.56 Ratio. Safari; 2.73 Ratio. Safari; 2WD; Auto Trans. Safari; 2WD; Manual Trans; 2.5L. Safari; 2WD; Manual Trans; 4.3L. Safari; 3.08 Ratio. Safari; 3.23 Ratio. Safari; 3.42 Ratio. Safari; 3.73 Ratio. Safari; 4.10 Ratio. Safari; 4.11 Ratio. Safari; AWD. Safari; Front. Safari; Left; All. Safari; Left; w/Anti-Lock Brakes. Safari; Left; w/o Anti-Lock Brakes. Safari; Rear. Safari; Right; All. Safari; Right; w/Anti-Lock Brakes. Safari; Right; w/o Anti-Lock Brakes. Safari; w/Limited Slip; Left. Safari; w/Limited Slip; Right. Safari; w/o Limited Slip.
Astro. Safari.
REAR AXLE. DIFFERENTIAL. PROPELLER SHAFT. Diagram
#6
All Models; 1st Design. All Models; 2.73 Ratio. All Models; 2nd Design. All Models; 2WD. All Models; 3.08 Ratio. All Models; 3.42 Ratio. All Models; 3.73 Ratio. All Models; 4.10 Ratio. All Models; 4WD. All Models; Left. All Models; Right. All Models; w/Limited Slip; Left. All Models; w/Limited Slip; Pinion Gears. All Models; w/Limited Slip; Right. All Models; w/Limited Slip; Side Gears; Left. All Models; w/Limited Slip; Side Gears; Right. All Models; w/o Limited Slip.
All Models.
REAR AXLE. DIFFERENTIAL. PROPELLER SHAFT. Diagram
#5
1 Ton; 10. 50. 1 Ton; 11. 50; 1 Ton. 1 Ton; 11. 50; 3/4 Ton. 1 Ton; 9. 50. 1 Ton; Crew Cab; 1 Piece; 153" Wheelbase. 1 Ton; Crew Cab; 2 Piece; 153" Wheelbase; Auto TRANS. 1 Ton; Crew Cab; 2 Piece; 153" Wheelbase; Manual Trans; W/6 Speed. 1 Ton; Crew Cab; 2 Piece; 153" Wheelbase; Manual Trans; W/O 6 Speed. 1 Ton; Crew Cab; 2 Piece; 167" Wheelbase. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Front; W/6 Speed. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Front; W/O 6 Speed. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Rear; W/6 Speed. 1 Ton; Extended Cab; 1 Piece; 143" Wheelbase; Rear; W/O 6 Speed. 1 Ton; Extended Cab; 1 Piece; 157" Wheelbase. 1 Ton; Extended Cab; 2 Piece; Manual Trans; 5 Speed. 1 Ton; Extended Cab; 2 Piece; Manual Trans; 6 Speed. 1 Ton; Standard Cab; 1 Piece; W/6 Speed. 1 Ton; Standard Cab; 1 Piece; W/O 6 Speed. 11. 50; W/LIMITED Slip. 11. 50; W/O Limited Slip. 8. 625; 3. 08 Ratio. 8. 625; 3. 23 Ratio. 8. 625; 3. 42 Ratio. 8. 625; 3. 73 Ratio. 8. 625; 4. 10 Ratio. 8. 625; Left.
8.625. All Models; 8.50.
REAR AXLE. DIFFERENTIAL. PROPELLER SHAFT. Diagram
#6
PINION WASHERS; Express. Savana; 3.42 Ratio. Savana; 3.73 Ratio. Savana; 4L60E Trans. Savana; 4L80E Trans. Savana; Front. Savana; Left. Savana; Rear. Savana; Right. Savana; w/Limited Slip. Savana; w/o Limited Slip. SIDE WASHERS; Express.
Express. Savana.

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