1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
Browse our online catalogue to find original replacement Auto Trans Extension Housing Seals specifically designed to fit a 1999 GMC Sierra 1500.





1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$6.28
$4.64
10+ In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 1
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Control Type: Automatic; Transmission Code: 4L60-E; Transmission Speeds: 4; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: 4L60-E; Transmission Speeds: 4; Transmission Type: Transmission;





1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$6.28
$4.64
10+ In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 2
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Control Type: Automatic; Transmission Code: 4L60-E; Transmission Speeds: 4; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: 4L60-E; Transmission Speeds: 4; Transmission Type: Transmission;





1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$38.75
$26.05
10+ In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 1
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Control Type: Automatic; Transmission Code: 4L60-E; Transmission Speeds: 4; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: 4L60-E; Transmission Speeds: 4; Transmission Type: Transmission;
Vehicle Fitment Notes:
Booted
Booted



1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$10.90
In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Transmission Code: 4L60-E;
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Transmission Code: 4L60-E;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$10.90
In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Transmission Code: 4L60-E;
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Transmission Code: 4L60-E;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$10.90
In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Transmission Code: 4L60-E;
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Transmission Code: 4L60-E;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$10.90
In Stock
Condition: New
Ships: Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Pick-Up: Ready in 1 Hour Thursday Feb. 26th
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Code: 4L60-E;
Transmission Code: 4L60-E;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output

1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$8.44
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Control Type: Automatic; Transmission Speeds: 4;
Transmission Control Type: Automatic; Transmission Speeds: 4;
Vehicle Fitment Notes:
with 4L60-E Transmission Code without Boot with GMC Transmission
with 4L60-E Transmission Code without Boot with GMC Transmission



1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$35.75
$23.47
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Code: 4L60-E;
Transmission Code: 4L60-E;
Vehicle Fitment Notes:
w/ Boot
w/ Boot

1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Transmission Code: 4L60-E;
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4); Transmission Code: 4L60-E;
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Transmission Code: 4L60-E;
Engine Base: 4.8L 294ci V8 (3.78x3.27; 96.0x83.0); Transmission Code: 4L60-E;
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Transmission Code: 4L60-E;
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0); Transmission Code: 4L60-E;
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

1999 GMC Sierra 1500 Auto Trans Extension Housing Seal
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1999 GMC Sierra 1500
Equipped With:
Transmission Code: 4L60-E;
Transmission Code: 4L60-E;
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring