1999 GMC C6500 Topkick Transmission Parts

Essential Transmission Parts for 1999 GMC C6500 Topkicks

Carquest Premium – Back Up Light Switch (Part No.SAA3885)

Back Up Light Switch

from

$62.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

FAG US – CONE (Part No.K387-A)

CONE

from

$36.49
CONE

Imperial – High Performance Transmission Oil Cooler (Part No.240516)

High Performance Transmission Oil Cooler

from

$85.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 10″ x 15-7/8″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
See More

Imperial – Transmission Oil Cooler (Part No.241015)

Transmission Oil Cooler

from

$145.99
Oil cooler 1-1/2″ x 12″ x 15-1/8″. Extra heavy-duty. Designed for severe-duty transmission oil cooling applications.

Product Features:
  • Imperial Econo-Kool® tube and fin transmission cooler
  • Size: 1-1/2″ x 12″ x 15 1/8″
  • Severe-duty transmission oil cooling applications
  • Towing with class “A” motor home or towing more than 10,000 lbs.
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242016)

Econo-Kool® Transmission Oil Cooler

from

$65.99
Product Features:
  • Imperial Econo-Kool« tube and fin transmission cooler
  • Size: 3/4″ x 7-1/2″ x 15-7/8″
  • Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
  • GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Dorman – HD Solutions – Oil Cooler Heavy Duty (Part No.918-5601)

Oil Cooler Heavy Duty

from

$367.99
This automatic transmission oil cooler is designed to match the function of an original cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion, or damage.

Product Features:
  • Direct replacement – this automatic transmission fluid cooler is designed to match the function of an original cooler on specified vehicle.
  • Ideal solution – engineered to help maintain proper transmission fluid temperature when an original cooler has failed from heat, corrosion or damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Imperial – Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty (Part No.243008)

Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty

from

$80.99
Product Features:
  • Imperial Rapid-Cool« plate and fin transmission cooler
  • Size: 3/4″ x 11″ x 9-1/2″
  • Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
  • GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
  • 33% more efficient than a comparable tube and fin design
See More

Imperial – High Performance Transmission Oil Cooler (Part No.240514)

High Performance Transmission Oil Cooler

from

$81.99
High Performance Transmission Oil Cooler 3/4″ x 7-1/2″ x 15-1/2″. Heavy duty. Black. Imperial High Performance coolers are designed to provide outstanding cooling as well as complement other high-performance accessories.

Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 15-7/8″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
See More

Carquest Premium – ABS Wheel Speed Sensor (Part No.ARC2334)

ABS Wheel Speed Sensor

from

$107.99
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.

Product Features:
  • High grade materials that are equal to or better than OE provide durability and long service life
  • All ABS sensors are tested for proper fit, form, and function
  • Wire diameter and sheathing same or larger than OE to ensure product quality
  • Glass filled reinforced plastic for superior resistance to automotive fluids, dirt, salt and road debris
  • Includes all necessary brackets and hardware
See More

Carquest – Air Charge Temperature Sensor Connector (Part No.28419A)

Air Charge Temperature Sensor Connector

from

$18.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • 100% pure copper windings in primary and secondary bobbins improve durability and provide higher resistance to internal shorts and dielectric breakdown
  • Electronic ignition module profile and feedback signal ensures proper OE fit, form, and function
  • Thermoplastic housing withstands heat stress for enhanced durability
  • Internal core made from grain oriented electrical steel limits loss factor within magnetic circuit to reduce heat and ensure coil endurance
  • External core made from oriented silicon steel ensures durability and longevity
See More

Imperial – Transmission Line Fitting Kit (Part No.240390)

Transmission Line Fitting Kit

from

$14.79
Product Features:
  • Transmission line fitting kit
  • GM, Jeep; 5/8″-18 inverted flare
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Coated for extra protection against corrosion
See More

Dorman – HD Solutions – Transmission Fitting (Part No.800-5604)

Transmission Fitting

from

$58.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector.
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Dorman – Oil Cooler Connector (Part No.800-706)

Oil Cooler Connector

from

$19.29
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector.
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability.
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Dorman – Oil Cooler Line Connector With A 3/8-18 in. Thread (Part No.800-603)

Oil Cooler Line Connector With A 3/8-18 in. Thread

from

$14.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector.
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability.
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Upgrade your 1999 GMC C6500 Topkick with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1999 GMC C6500 Topkick, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Transmission Parts are key to keeping your C6500 Topkick functioning at its best. At Advance Auto Parts, we offer a wide selection of 15 Transmission Parts for the 1999 GMC C6500 Topkick, designed to meet your needs without breaking the bank. From Transmission Cooler and Part replacements to Transmission Electrical Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 1999 GMC C6500 Topkick at great prices. Our Transmission Parts inventory for this model ranges from just $14.79 to $145.99, with an average price of $67.74. Our 15 Transmission Parts in stock come from 5 trusted brands, so you’re sure to find the right part for your 1999 GMC C6500 Topkick without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1999 GMC C6500 Topkick, we stock popular OEM and aftermarket Transmission Parts from top names like Imperial Carquest, and more. Imperial Transmission Parts start at just $14.79 and boast an impressive 4 stars average rating from customers. With 122 customer reviews and counting, our 1999 GMC C6500 Topkick Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals and more to make sure your 1999 GMC C6500 Topkick is always ready to roll. We’re committed to providing you with everything you need to keep your C6500 Topkick in top shape, all in one place. Start shopping confidently below for your 1999 GMC C6500 Topkick!

Best-Selling Transmission Cooler and Parts for 1999 GMC C6500 Topkicks

Enhance the driving experience in your GMC with 9 quality Transmission Cooler and Part components, starting at $65.99.

Imperial – High Performance Transmission Oil Cooler (Part No.240516)

High Performance Transmission Oil Cooler

from

$85.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 10″ x 15-7/8″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
See More

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)

Maxi-Kool® XL Transmission Oil Cooler

from

$73.99
The Imperial Maxi-Cool® XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:
  • Imperial Maxi-Cool® plate and fin transmission cooler
  • Size: 3/4″ x 11″ x 7-1/2″
  • Mid-size and full-size cars, pickups
  • GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
See More

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)

Maxi-Kool® XL Transmission Oil Cooler

from

$81.99
Product Features:
  • Class “A” motor homes, large travel trailers, 5th-wheel trailers
  • GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.241018)

Econo-Kool® Transmission Oil Cooler

from

$65.99
Product Features:
  • Imperial Econo-Kool« tube and fin transmission cooler
  • Size: 3/4″ x 10″ x 15-7/8″
  • Class “A” motor homes, large travel trailers, 5th-wheel trailers
  • GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Imperial – Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty (Part No.243008)

Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty

from

$80.99
Product Features:
  • Imperial Rapid-Cool« plate and fin transmission cooler
  • Size: 3/4″ x 11″ x 9-1/2″
  • Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
  • GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
  • 33% more efficient than a comparable tube and fin design
See More

Imperial – High Performance Transmission Oil Cooler (Part No.240514)

High Performance Transmission Oil Cooler

from

$81.99
High Performance Transmission Oil Cooler 3/4″ x 7-1/2″ x 15-1/2″. Heavy duty. Black. Imperial High Performance coolers are designed to provide outstanding cooling as well as complement other high-performance accessories.

Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 15-7/8″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
See More

Imperial – High Performance Transmission Oil Cooler (Part No.240512)

High Performance Transmission Oil Cooler

from

$67.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242016)

Econo-Kool® Transmission Oil Cooler

from

$65.99
Product Features:
  • Imperial Econo-Kool« tube and fin transmission cooler
  • Size: 3/4″ x 7-1/2″ x 15-7/8″
  • Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
  • GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Imperial – Transmission Oil Cooler (Part No.241015)

Transmission Oil Cooler

from

$145.99
Oil cooler 1-1/2″ x 12″ x 15-1/8″. Extra heavy-duty. Designed for severe-duty transmission oil cooling applications.

Product Features:
  • Imperial Econo-Kool® tube and fin transmission cooler
  • Size: 1-1/2″ x 12″ x 15 1/8″
  • Severe-duty transmission oil cooling applications
  • Towing with class “A” motor home or towing more than 10,000 lbs.
See More

Most Popular 1999 GMC C6500 Topkick Transmission Electrical Parts

Customize your GMC with 1 Transmission Electrical Parts products like Speed Sensors, all priced under $107.99.

Carquest Premium – ABS Wheel Speed Sensor (Part No.ARC2334)

ABS Wheel Speed Sensor

from

$107.99
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.

Product Features:
  • High grade materials that are equal to or better than OE provide durability and long service life
  • All ABS sensors are tested for proper fit, form, and function
  • Wire diameter and sheathing same or larger than OE to ensure product quality
  • Glass filled reinforced plastic for superior resistance to automotive fluids, dirt, salt and road debris
  • Includes all necessary brackets and hardware
See More

Top Picks for 1999 GMC C6500 Topkick Transmission Bearings

Upgrade GMC C6500 Topkicks with top-quality Transmission Bearings parts, including 1 OEM and aftermarket selections for your 1999 model.

FAG US – CONE (Part No.K387-A)

CONE

from

$36.49
CONE

In-Demand Transmission Connectors for 1999 GMC C6500 Topkicks

Select from 2 premium Transmission Connectors parts for your 1999 GMC C6500 Topkick, with prices ranging from $14.79 to $14.99.

Imperial – Transmission Line Fitting Kit (Part No.240390)

Transmission Line Fitting Kit

from

$14.79
Product Features:
  • Transmission line fitting kit
  • GM, Jeep; 5/8″-18 inverted flare
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Coated for extra protection against corrosion
See More

Dorman – Oil Cooler Line Connector With A 3/8-18 in. Thread (Part No.800-603)

Oil Cooler Line Connector With A 3/8-18 in. Thread

from

$14.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector.
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability.
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Most Sold 1999 GMC C6500 Topkick Back Up Neutral Safety Parts

Explore our best-selling GMC parts for the 1999 C6500 Topkick among 2 OEM and aftermarket options starting from $18.99.

Carquest – Air Charge Temperature Sensor Connector (Part No.28419A)

Air Charge Temperature Sensor Connector

from

$18.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • 100% pure copper windings in primary and secondary bobbins improve durability and provide higher resistance to internal shorts and dielectric breakdown
  • Electronic ignition module profile and feedback signal ensures proper OE fit, form, and function
  • Thermoplastic housing withstands heat stress for enhanced durability
  • Internal core made from grain oriented electrical steel limits loss factor within magnetic circuit to reduce heat and ensure coil endurance
  • External core made from oriented silicon steel ensures durability and longevity
See More

Carquest Premium – Back Up Light Switch (Part No.SAA3885)

Back Up Light Switch

from

$62.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Top-Rated Transmission Parts Brands For Your 1999 GMC C6500 Topkick

Shop for the best-rated brands offering Transmission Parts and other products for your 1999 GMC C6500 Topkicks. Below you’ll find some of our best rated Transmission Parts from Imperial and Carquest, and more. Transmission Parts from these brands that fit a 1999 C6500 Topkick start at just $14.79 and are rated as high as 4 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Imperial 1999 GMC C6500 Topkick Transmission Parts

When it comes to maintaining or upgrading your 1999 GMC C6500 Topkick, using quality Transmission Parts is essential to ensure durability and a perfect fit. Imperial ticks all of those boxes. We offer a wide selection of Imperial Transmission Parts, specifically designed for the 1999 GMC C6500 Topkick. With over 10 Imperial brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.79, with an average price of just $76.57. Plus, with over 115 customer reviews and an average rating of 4 stars, you can trust that our Imperial Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Econo-Kool® Transmission Oil Cooler
from
$65.99
This product is not rated

Econo-Kool® Transmission Oil Cooler

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Transmission Oil Cooler
from
$145.99
This product is not rated

Transmission Oil Cooler

“”

High Performance Transmission Oil Cooler
from
$67.99
This product is not rated

High Performance Transmission Oil Cooler

“”

Popular Carquest 1999 GMC C6500 Topkick Transmission Parts

Carquest auto parts is one of the highest quality Transmission Part brands in the market. Any 1999 GMC C6500 Topkick owner should feel confident when installing genuine Carquest parts in their vehicle. To ensure the best fit and performance for your 1999 C6500 Topkick, Advance Auto Parts carries a full inventory of 1 Carquest Transmission Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Carquest Transmission Parts range up to $18.99, plus, with more than 7 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.

Air Charge Temperature Sensor Connector
from
$18.99

(7)

Air Charge Temperature Sensor Connector

“Good”

FAQs for 1999 GMC C6500 Topkick Transmission Parts

Which Transmission Parts are best-sellers for 1999 GMC C6500 Topkicks?

Out of 15 Transmission Parts that fit 1999 GMC C6500 Topkicks, the following parts are the top sellers:

What’s the price range for 1999 GMC C6500 Topkick Transmission Parts?

Transmission Part prices for the 1999 GMC C6500 Topkick start at $14.79 and go up to $145.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1999 GMC C6500 Topkick?

The average price for Transmission Parts for the 1999 GMC C6500 Topkick is $67.74. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Parts for other GMC C6500 Topkick model years?

Yes, we currently carry Transmission Parts for 12 model years of GMC C6500 Topkicks between 1997 and 2009. Transmission Parts are bought most frequently for the following model years: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, and 2001.

What are the cheapest Transmission Parts for my 1999 GMC C6500 Topkick?

The cheapest 1999 GMC C6500 Topkick Transmission Parts we carry in stock are:

What are the top-rated Transmission Parts that fit the 1999 GMC C6500 Topkick?

Out of 122 reviews by customers, our 1999 GMC C6500 Topkick Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1999 GMC C6500 Topkick and their top-rated products:

What types of Transmission Parts do you sell for my 1999 GMC C6500 Topkick?

As of 2/5/25, these are some of the most in-demand types of Transmission Parts for a 1999 GMC C6500 Topkick:

Can I get help with 1999 GMC C6500 Topkick Transmission Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Transmission Parts and more.

What is your return policy for GMC C6500 Topkick Transmission Parts?

Advance Auto Parts keeps returns simple. For new GMC C6500 Topkick Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.