1979 GMC K1500 Differential Axle Shafts

Your 1979 GMC K1500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Differential Axle Shafts you desperately need.

We currently carry 23 Differential Axle Shafts to choose from for your 1979 GMC K1500, and our inventory prices range from as little as $109.99 up to $1,497.99.

On top of low prices, Advance Auto Parts offers 5 different trusted brands of Differential Axle Shafts for the 1979 GMC K1500. We only sell parts from trusted brands like USA Standard Gear so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Differential Axle Shafts stock in-person!

Differential Axle Shafts for Your 1979 GMC K1500

USA Standard Gear – 4340 Axle Kit For ’79-’87 GM Truck & Blazer, GM 8.5", 28Spline With Spicer Joints (Part No.35064)

4340 Axle Kit For '79-'87 GM Truck & Blazer, GM 8.5", 28Spline With Spicer Joints

from

$854.99
Product Features:
  • Front axle kit
  • Fits 1979-1987 GM half ton front with GM 8.5″
  • 4340 Chromoly axles
  • 28 spline inner axles
  • Includes inner and outer axle shafts with Spicer u-joints
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Spicer – FRONT AXLE SHAFT (Part No.41677)

FRONT AXLE SHAFT

from

$141.99
FRONT AXLE SHAFT

Motive Gear – Axle Shaft (Part No.14071750)

Axle Shaft

from

$149.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • AXLE SHAFT 8 7/8 4 X 4 31 1/4 OA 30 SPL 6 LUG
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Yukon Gear – Front 4340 Chrome-Moly Replacement Axle Kit For ’69-’80 GM Truck And Blazer (Part No.21414)

Front 4340 Chrome-Moly Replacement Axle Kit For '69-'80 GM Truck And Blazer

from

$1497.99
Yukon front 4340 Chrome-Moly replacement axle kit for ’69-’80 GM truck and Blazer, Dana 44 with 19/30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Yukon Superjoints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • 30 spline inner and 19 spline outer
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Includes inner and outer 4340 Chromoly axles and Yukon Super Joints
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USA Standard Gear – 4340 Axle Kit For ’79-’87 GM Truck & Blazer, GM 8.5", 28 Spline With Super Joints (Part No.35130)

4340 Axle Kit For '79-'87 GM Truck & Blazer, GM 8.5", 28 Spline With Super Joints

from

$1355.00
Product Features:
  • 28 spline inner and 19 spline outer
  • Fits GM 8.5″ in 1979-1987 GM 1/2 ton
  • Includes inner and outer 4340 Chromoly axles and Yukon Super Joints
See More

Yukon Gear – Front 4340 Chrome-Moly Axle Kit For ’79-’87 GM 8.5" 1/2 Ton Truck And Blazer (Part No.21326)

Front 4340 Chrome-Moly Axle Kit For '79-'87 GM 8.5" 1/2 Ton Truck And Blazer

from

$1350.00
Yukon front 4340 Chrome-Moly axle kit for ’79-’87 GM 8.5″ 1/2 ton truck and Blazer with 28 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Yukon Superjoints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • 28 spline inner and 19 spline outer
  • Fits GM 8.5″ in 1979-1987 GM 1/2 ton
  • Includes inner and outer 4340 Chromoly axles and Yukon Super Joints
See More

Yukon Gear – Front 4340 Axle Kit For Dana 44’69-’80 GM Truck And Blazer, Dana 44 With 19/30 Splines (Part No.21413)

Front 4340 Axle Kit For Dana 44'69-'80 GM Truck And Blazer, Dana 44 With 19/30 Splines

from

$1065.00
Yukon front 4340 Chrome-Moly replacement axle kit for Dana 44’69-’80 GM truck and Blazer, Dana 44 with 19/30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Spicer universal joints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Front axle kit
  • Fits 1969-1980 GM half ton front with Dana Spicer 44
  • 4340 Chromoly axles
  • 30 spline inner axles
  • Includes inner and outer axle shafts with Spicer u-joints
See More

Yukon Gear – Front 4340 Chrome-Moly Replacement Axle Kit For ’79-’87 GM 8.5" 1/2 Ton Truck And Blazer (Part No.21325)

Front 4340 Chrome-Moly Replacement Axle Kit For '79-'87 GM 8.5" 1/2 Ton Truck And Blazer

from

$954.99
Yukon front 4340 Chrome-Moly replacement axle kit for ’79-’87 GM 8.5″ 1/2 ton truck and Blazer with 28 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Dana U/joint. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Front axle kit
  • Fits 1979-1987 GM half ton front with GM 8.5″
  • 4340 Chromoly axles
  • 28 spline inner axles
  • Includes inner and outer axle shafts with Spicer u-joints
See More

Yukon Gear – 1541H Replacement Right Hand Assembly For Dana 44 With 30 Splines (Part No.21061)

1541H Replacement Right Hand Assembly For Dana 44 With 30 Splines

from

$662.99
Yukon 1541H replacement right hand assembly for Dana 44 with 30 splines. The inner axle measures 18.5 inches and the axle measures 28.4 inches overall. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 30 spline inner, 19 spline outer
  • 28.4″ long
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Right hand assembly
  • 5-760X U-joint size
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Yukon Gear – 1541H Replacement Left Hand Assembly For Dana 44 (’73-’82 GM) (Part No.21062)

1541H Replacement Left Hand Assembly For Dana 44 ('73-'82 GM)

from

$554.99
Yukon 1541H replacement left hand assembly for Dana 44 (’73-’82 GM) with 30 splines. The inner axle measures 36.6 inches and the measures 46.4 inches axle overall. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 30 spline inner, 19 spline outer
  • 36.13″ long
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Left hand assembly
  • 5-760X U-joint size
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Yukon Gear – 4340 Chrome-Moly Left Hand Inner Axle For Dana 44, ’67-’71 Ford Bronco, ’69-’80 GM, 5-760 (Part No.21353)

4340 Chrome-Moly Left Hand Inner Axle For Dana 44, '67-'71 Ford Bronco, '69-'80 GM, 5-760

from

$298.99
Yukon 4340 Chrome-Moly left hand inner replacement axle for Dana 44, ’67-’71 Ford Bronco, ’69-’80 GM with a length of 18.5″ and 30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Fits 1971-1977 Bronco and 1969-1980 Gm half ton front
  • 4340 Chromoly
  • Left hand inner axle
  • 18 3/8″ from end of splines to center of u-joint bore
See More

Yukon Gear – 4340 Chrome-Moly Left Hand Inner Axle For ’69-’80 GM Blazer And Truck, Dana 44, 5-760X U/J (Part No.21372)

4340 Chrome-Moly Left Hand Inner Axle For '69-'80 GM Blazer And Truck, Dana 44, 5-760X U/J

from

$289.99
Yukon 4340 Chrome-Moly left hand inner replacement axle for ’69-’80 GM Blazer and truck, Dana 44 with a length of 36.13″ and 30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Fits 1969-1980 GM half ton front
  • 4340 Chromoly
  • Left hand side inner
  • 30 spline
  • 36.13″ from end of splines to center of u-joint bore
See More

Yukon Gear – 1541H Inner Axle For ’78 And Newer 8.5" GM (Part No.21122)

1541H Inner Axle For '78 And Newer 8.5" GM

from

$284.99
Yukon 1541H inner axle for ’78 and newer 8.5″ GM with a length of 35.5 inches and with 28 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 28 spline
  • 35.5″ long
  • Fits GM 8.5″ in 1979-1991 GM 1/2 ton
  • Left hand inner
  • 5-760X U-joint size
See More

Yukon Gear – 1541H Alloy 6 Lug Rear Axle For ’70-’81 GM 12T 4WD (Part No.21256)

1541H Alloy 6 Lug Rear Axle For '70-'81 GM 12T 4WD

from

$284.99
Yukon 1541H alloy 6 lug rear axle for ’70-’81 GM 12T 4WD with a length of 31-7/16 inches and 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip.

Product Features:
  • Fits 1970-1981 GM 12 bolt truck with 4 wheel drive
  • 30 spline
  • 31 7/16″ long
  • 6 lug
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Yukon Gear – 1541H Replacement Inner Axle For Dana 44 With A Length Of 36.13 Inches (Part No.21054)

1541H Replacement Inner Axle For Dana 44 With A Length Of 36.13 Inches

from

$271.99
Yukon 1541H replacement inner axle for Dana 44 with a length of 36.13 inches and with 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 30 spline
  • 36.13″ long
  • Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
  • Left hand inner
  • 5-760X U-joint size
See More

Yukon Gear – 1541H Inner Axle For ’78 And Newer 8.5" GM (Part No.21063)

1541H Inner Axle For '78 And Newer 8.5" GM

from

$251.99
Yukon 1541H inner axle for ’78 and newer 8.5″ GM with a length of 19.1 inches and with 28 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 28 spline
  • 19.1″ long
  • Fits GM 8.5″ in 1979-1987 GM 1/2 ton
  • Right hand inner
  • 5-760X U-joint size
See More

Yukon Gear – 4340 Chrome-Moly Left Hand Inner Axle For ’79-’87 GM 8.5" Blazer And Truck, Uses 5-760X U/J (Part No.21366)

4340 Chrome-Moly Left Hand Inner Axle For '79-'87 GM 8.5" Blazer And Truck, Uses 5-760X U/J

from

$249.99
Yukon 4340 Chrome-Moly left hand inner axle for ’79-’87 GM 8.5″ Blazer and truck with a length of 35.46″ and 28 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Fits 1979-1987 GM half ton front with GM 8.5″
  • 4340 Chromoly
  • Left hand side inner
  • 28 spline
  • 35.46″ from end of splines to center of u-joint bore
See More

Yukon Gear – 4340 Chrome-Moly Right Hand Inner Axle For ’79-’87 GM 8.5" Blazer And Truck, Uses 5-760X U/J (Part No.21365)

4340 Chrome-Moly Right Hand Inner Axle For '79-'87 GM 8.5" Blazer And Truck, Uses 5-760X U/J

from

$229.99
Yukon 4340 Chrome-Moly right hand inner axle for ’79-’87 GM 8.5″ Blazer and truck with a length of 19.51″ and 28 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Fits 1979-1987 GM half ton front with GM 8.5″
  • 4340 Chromoly
  • Right hand side inner
  • 28 spline
  • 19.15″ from end of splines to center of u-joint bore
See More

Yukon Gear – Dana 44 Inner Axle Replacement (Part No.21050)

Dana 44 Inner Axle Replacement

from

$199.99
Yukon 1541H replacement inner axle for Dana 44 with a length of 18.5 inches and with 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • Fits 1969-1980 GM half ton front
  • Left hand inner
  • 30 spline
  • 18.5″ from end of splines to center of u-joint bore
  • 1541H alloy
See More

USA Standard Gear – Axle Shaft For ’70-’81 4WD GM Truck (Part No.35053)

Axle Shaft For '70-'81 4WD GM Truck

from

$183.99
USA Standard axle shaft for ’70-’81 4WD GM truck. 12 bolt differential, 31 7/16″, 6 lug, 30 spline.

Product Features:
  • Fits 1970-1981 GM 12 bolt truck with 4 wheel drive
  • 30 spline
  • 31 7/16″ long
  • 6 lug
See More

Spicer – Axle Shaft (Part No.620200)

Axle Shaft

from

$159.99
Axle Shaft

Pro-King – Rear Axle Shaft Kit (Part No.AXK-182)

Rear Axle Shaft Kit

from

$135.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and funtion.

Product Features:
  • High strength steel
  • Dual heat treating process
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Yukon Gear – Drive Flange Cap For Dana 44, Engraved (Part No.32135)

Drive Flange Cap For Dana 44, Engraved

from

$109.99
Product Features:
  • Drive flange cap
  • Fits Dana 44
  • Yukon engraved
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FAQs for 1979 GMC K1500 Differential Axle Shafts

What are the most popular Differential Axle Shafts for the 1979 GMC K1500?

With 5 brands you can trust, our most popular Differential Axle Shafts for the 1979 GMC K1500 parts are:
FRONT AXLE SHAFT
from $141.99
This product is not rated
FRONT AXLE SHAFT
Differential Axle Shafts
4340 Axle Kit For '79-'87 GM Truck & Blazer, GM 8.5", 28Spline With Spicer Joints
from $854.99
This product is not rated
4340 Axle Kit For ’79-’87 GM Truck & Blazer, GM 8.5", 28Spline With Spicer Joints
Differential Axle Shafts
Axle Shaft
from $149.99
This product is not rated
Axle Shaft
Differential Axle Shafts