1973 GMC P25/P2500 Van Transmission Parts

Name: Engine Crankshaft Seal
Brand: National
SKU: 5092
Price: 49.99 USD

Below you will find various in-demand GMC Transmission Parts, components and accessories for your 1973 P25/P2500 Van. Advance Auto Parts has popular P25/P2500 Van parts like Transmission Mounts, Automatic Transmission Pan and Gaskets, Automatic Transmission Parts and more. You’ll also find aftermarket and OEM Transmission Parts for other P25/P2500 Van model years including 1967, 1968, 1969, 1970, 1971, 1972, 1974 and more. Select a category of 1973 GMC P25/P2500 Van Transmission Parts below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 1973 GMC P25/P2500 Van Transmission Parts Categories

Gear Shift Levers

Transmission Torque Converters

OE Transmission Coolers

Transmission Pan Gaskets

Transmission Oil Cooler Fittings

Automatic Transmission Line Connectors

Pinion Bearings

Transmission Mounts

Transmission Master Repair Kits

Transmission Rebuild Kits

Transmission Dipsticks

Automatic Transmission Differential Bearings

Transmission Bushings

Transmission Modulator Valves

Pinion Seals

Transmission Seals and O-rings

Torque Converter Seals

Extension Housing Seals

Manual Transmission Output Shaft Seals

Shaft Seals

Gear Shift Lever Bushing

Manual Transmission Top Gaskets

Miscellaneous Automatic Transmission Seals

Transmission Shift Kits

Transmission Bands

Automatic Transmission Selector Shaft Seals

Automatic Transmission Flexplate Mounting Bolts

Automatic Transmission Oil Pump Gaskets

Automatic Transmission Fluid Filler Tube Seals

Automatic Transmission Oil Pump O-Rings

Automatic Transmission Speedometer Pinion Seals

Automatic Transmission Seals

Automatic Transmission Shifter Cable Brackets

Automatic Transmission Friction Discs

Essential Transmission Parts for 1973 GMC P25/P2500 Vans

from

$49.99

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Design type: split-lip; 2-piece
Temperature range: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
Good dry heat resistance
Excellent low temperature capability
Delivers quality and reliable performance for every type of repair

from

$11.79

ATP Transmission Components are exact fit, no compromise replacement parts

from

$29.99

ATP Transmission Components are exact fit, no compromise replacement parts

from

$716.99

Hays Twister 3/4 Race performance torque converters are a perfect addition to our line of performance flexplates, clutches, and flywheels. Our 3/4 Race series of torque converters is intended for street/strip combinations, with various stall speed offerings to accommodate any mixture of modifications including higher compression ratios, aftermarket camshafts, aftermarket cylinder heads, lower gear ratios, and vehicle weight loss. The Twister 3/4 Race torque converter perfectly describes a converter suited for an application just shy of Full Race converter.

Product Features:

3/4 Race series torque converters are built, tested, and proven to support up to 650 horsepower.
State of the art Spray Welding process is used in select areas. Spray Welding provides clean, strong and consistent fusion while also increasing strength through hardening from higher process temperature
Each converter is hand-built and inspected in every step of assembly to ensure top of the line quality
All Hays torque converters are internally welded compared to brazing. Testing has shown welding provides longer converter life while also enhancing consistency
Heavy duty Torrington bearings are used for greater strength and durability
Stators are chosen with high flow vents and channels to promote cooling in heat producing higher horsepower applications
Increased horsepower and acceleration due to a weight saving, one application design. Almost all HAYS converters are built for one application to reduce weight compared to a multi-bolt pattern converter.
3/4 Race series torque converters are offered in several different stall speeds for GM, Ford, and Chrysler transmissions
Industry leading Tech Support Team is available to provide assistance with stall speed selection

from

$9.59

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$98.99

Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:

Braided Stainless Steel
Firewall Mounting
Includes Oil Fill Tube

from

$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE specifications

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$6.99

Design type: springless; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$85.99

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

Product Features:

Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
33% more efficient than a comparable tube and fin design

from

$206.99

When it’s time to rebuild an automatic transmission, it’s a big job. ATP Banner Kits come with friction clutch plates, seals, o-rings, gaskets, And sealing rings. ATP components are engineered to fit And function just like the original parts for long life And durability.

from

$5.99

We offer a line of Auto Trans Shift Lever Control Rod Bushings for a range of applications. All our Auto Trans Shift Lever Control Rod Bushings are made of quality materials for a long service life.

Product Features:

Direct replacement – these replacement auto trans shift lever control rod bushings match the original equipment design on specified vehicles
Conveniently fix- simple solution to address worn bushings and restore original performance and feel
Application specific – reverse engineered from the original design on certain vehicle years, makes and models
Trustworthy quality – backed by team of engineers and quality specialists in the United States

from

$166.99

The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.

Product Features:

Recalibrate Auto. Transmission
Optimum Performance
Select Your App. Mode
Improves Transmission Life
Trans. Removal Not Required

from

$20.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$28.99

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$12.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$7.49

ATP Transmission Components are exact fit, no compromise replacement parts

from

$24.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

from

$261.99

When it’s time to rebuild an automatic transmission, it’s a big job. ATP Master Repair Kits come with friction And steel clutch plates, seals, o-rings, gaskets, And sealing rings. ATP components are engineered to fit And function just like the original parts for long life And durability.

from

$6.39

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

from

$11.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial mounting kit system
For installation of transmission coolers and electric fans
Provides quick, effective installation of Imperial products
Contains nylon mounting rods, foam pads and locking buttons
Aftermarket electric fan and cooler mounting rods
Made with the highest quality materials
Quality machined for durability
Removable buttons for relocation
Aftermarket electric fan and cooler mounting rods
Made with the highest quality materials
Quality machined for durability
Removable buttons for relocation

from

$23.99

Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.

Product Features:

Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
Flanged Nut
Increased Strength And Improved Flywheel Register
Chevy 90░ V6 & 305-502 With 1-pc Rear Seal
0.725″ Underhead Length
200,000 PSI

from

$17.49

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$9.59

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$44.99

Hooker continues to set the standard of performance with the BlackHeart line of drivetrain components. These BlackHeart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high horsepower applications while still lasting longer than rubber mounts. Our 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications and feature a unique built-in safety lock to keep from separating under high torque loads. Fits 1 or 2 bolt GM and Jeep applications.

Product Features:

Durable polyurethane to handle the stress of high horsepower
Same durometer as other BlackHeart and Hooker poly mounts
Can be used in place of 1-bolt or 2-bolt mount
Absorbs vibration and last longer than rubber
Ideal for use on street or strip applications
Molded indentions for socket clearance to ease installation
Complete with Grade 8 mounting hardware
Bolt Spacing on the Wider Side: 4-inch
Bolt Spacing on the Narrow Side: 1.5-inch

from

$9.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Unsurpassed quality you can trust
Validated for fit, form and function
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

from

$306.99

The B&M Unimatic is an ideal replacement for column shift vehicles, includes neutral safety switch, 5 foot cable and a boot and plate.

Product Features:

Ideal As Column Shift Replacement
Includes Neutral Safety Switch
Includes Black T-Handle
Backup Light Not Available
Includes 5 ft. Cable and Hardware
Includes Boot and Plate

from

$4.29

Automatic Transmission Fluid Filler Tube Seal

Upgrade your 1973 GMC P25/P2500 Van with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1973 GMC P25/P2500 Van, 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 P25/P2500 Van functioning at its best. At Advance Auto Parts, we offer a wide selection of 93 Transmission Parts for the 1973 GMC P25/P2500 Van, designed to meet your needs without breaking the bank. From Transmission Mount replacements to Automatic Transmission Pan and Gaskets 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 1973 GMC P25/P2500 Van at great prices. Our Transmission Parts inventory for this model ranges from just $3.19 to $1,349.99, with an average price of $157.87. Our 93 Transmission Parts in stock come from 15 trusted brands, so you’re sure to find the right part for your 1973 GMC P25/P2500 Van 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 1973 GMC P25/P2500 Van, we stock popular OEM and aftermarket Transmission Parts from top names like Felpro, National, Imperial, and more. Felpro Transmission Parts start at just $9.49 and boast an impressive 4.6 stars average rating from customers. National and Imperial also bring quality to the table, with Transmission Parts available starting at $10.99, and at an average 4.3 stars rating. With 1,586 customer reviews and counting, our 1973 GMC P25/P2500 Van 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 1973 GMC P25/P2500 Van is always ready to roll. We’re committed to providing you with everything you need to keep your P25/P2500 Van in top shape, all in one place. Start shopping confidently below for your 1973 GMC P25/P2500 Van!

Best-Selling Transmission Mounts for 1973 GMC P25/P2500 Vans

Enhance the driving experience in your GMC with 3 quality Transmission Mount components, starting at $11.99.

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from

$11.99

Anchor 2378 This mount supports the transmission and dampens vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade No: 5 bolts.
SUPERIOR BOND: A special Chemlok bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1957-1984
Weight approx: 2 Lbs.
Height: 1.8 In.: 45.7 mm
All Bolt Holes Inline
Bolt Centerline: 1.5 Inch: 38.1 Mm
This mount supports the transmission and dampens vibration.
All mounts are specifically engineered and designed to OE standards using the latest CAD/CAM engineering process ensuring the highest consistency and quality.
Only natural and Styrene Butadiene rubber is used to provide premium abrasion resistance and aging stability to ensure maximum life and performance.
Any included fasteners are hardened steel with heat treated Grade No: 5 bolts.
All Rubber material is manufactured to specific Durometer (hardness) measurements based on vehicle application requirements.
Hydraulic Mounts, applicable where OE, are specifically engineered for high vibration and torque applications and are filled with special hydraulic fluid to dampen excess noise and vibration.

from

$48.99

Hooker continues to set the standard of performance with the BlackHeart line of drivetrain components. These BlackHeart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high horsepower applications while still lasting longer than rubber mounts. Our 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications and features a unique built-in safety lock to keep from separating under high torque loads. Fits 1 or 2-bolt GM and Jeep applications.

Product Features:

Durable polyurethane to handle the stress of high horsepower
Same durometer as other BlackHeart and Hooker poly mounts
Can be used in place of 1-bolt or 2-bolt mount
Absorbs vibration and last longer than rubber
Ideal for use on street or strip applications
Molded indentions for socket clearance to ease installation
Complete with Grade 8 mounting hardware
Bolt Spacing on the Wider Side: 4-inch
Bolt Spacing on the Narrow Side: 1.5-inch

from

$44.99

Durable polyurethane to handle the stress of high horsepower
Same durometer as other BlackHeart and Hooker poly mounts
Can be used in place of 1-bolt or 2-bolt mount
Absorbs vibration and last longer than rubber
Ideal for use on street or strip applications
Molded indentions for socket clearance to ease installation
Complete with Grade 8 mounting hardware
Bolt Spacing on the Wider Side: 4-inch
Bolt Spacing on the Narrow Side: 1.5-inch

Most Popular 1973 GMC P25/P2500 Van Automatic Transmission Pan and Gaskets

Customize your GMC with 3 Automatic Transmission Pan and Gaskets products like Transmission Pan Gaskets and Automatic Transmission Oil Pump Gaskets, all priced under $11.79.

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from

$9.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Unsurpassed quality you can trust
Validated for fit, form and function
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

from

$9.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Unsurpassed quality you can trust
Validated for fit, form and function
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

from

$11.79

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

Top Picks for 1973 GMC P25/P2500 Van Automatic Transmission Parts

Upgrade GMC P25/P2500 Vans with top-quality Automatic Transmission Parts parts, including 14 OEM and aftermarket selections for your 1973 model.

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from

$4.29

Automatic Transmission Fluid Filler Tube Seal

from

$21.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

from

$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE specifications

from

$9.59

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$5.99

This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$7.29

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$21.99

AT MODULATOR VALVE

from

$11.79

ATP Transmission Components are exact fit, no compromise replacement parts

from

$98.99

Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:

Braided Stainless Steel
Firewall Mounting
Includes Oil Fill Tube

from

$33.99

Cable Bracket, GM (Bandit style shifters only) APPLICATION: For TH-400, 350, 250, 200, 700R4, 200-4R with 80797, 80798 or 81050 shifter.

Product Features:

Shifter Service Parts
Steel
Natural Finish
Sold individually
Replacement for Bandit shifters

from

$29.99

ATP Transmission Components are exact fit, no compromise replacement parts

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$14.99

ATP Transmission Components are exact fit, no compromise replacement parts

from

$13.79

ATP Transmission Components are exact fit, no compromise replacement parts

from

$7.49

ATP Transmission Components are exact fit, no compromise replacement parts

In-Demand Transmission Seals for 1973 GMC P25/P2500 Vans

Select from 22 premium Transmission Seals parts for your 1973 GMC P25/P2500 Van, with prices ranging from $3.19 to $49.99.

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from

$12.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$12.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$9.59

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

from

$8.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$7.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$6.99

Design type: springless; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$7.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$20.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$12.99

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$9.59

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$3.19

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

Product Features:

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$14.29

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

from

$5.99

Design type: springless; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$12.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$10.79

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$6.39

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

from

$49.99

Design type: split-lip; 2-piece
Temperature range: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
Good dry heat resistance
Excellent low temperature capability
Delivers quality and reliable performance for every type of repair

from

$16.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$14.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$9.59

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$5.99

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

from

$10.99

Design type: spring loaded; single-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

Most Sold 1973 GMC P25/P2500 Van Transmission Cooler and Parts

Explore our best-selling GMC parts for the 1973 P25/P2500 Van among 12 OEM and aftermarket options starting from $11.99.

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from

$85.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$70.99

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.
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$11.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial mounting kit system
For installation of transmission coolers and electric fans
Provides quick, effective installation of Imperial products
Contains nylon mounting rods, foam pads and locking buttons
Aftermarket electric fan and cooler mounting rods
Made with the highest quality materials
Quality machined for durability
Removable buttons for relocation
Aftermarket electric fan and cooler mounting rods
Made with the highest quality materials
Quality machined for durability
Removable buttons for relocation

from

$55.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 5″ x 15-7/8″
Compact and mid-size cars
GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$40.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 5″ x 12-1/2″
Sub-compact to compact cars
GVWR up to 12,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$85.99

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

Product Features:

Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
33% more efficient than a comparable tube and fin design

from

$65.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$80.99

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

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
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$52.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Mid-size and full-size cars, pickups
GVWR up to 18,000 lbs.; towing up to 3,500 lbs
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$79.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
Up to Class C motorhomes, towing up to 5,000 pounds
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$68.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$65.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

Top-Rated Transmission Parts Brands For Your 1973 GMC P25/P2500 Van

Shop for the best-rated brands offering Transmission Parts and other products for your 1973 GMC P25/P2500 Vans. Below you’ll find some of our best rated Transmission Parts from Felpro, National, and Imperial, and more. Transmission Parts from these brands that fit a 1973 P25/P2500 Van start at just $9.49 and are rated as high as 4.6 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Felpro 1973 GMC P25/P2500 Van Transmission Parts

When it comes to maintaining or upgrading your 1973 GMC P25/P2500 Van, using quality Transmission Parts is essential to ensure durability and a perfect fit. Felpro ticks all of those boxes. We offer a wide selection of Felpro Transmission Parts, specifically designed for the 1973 GMC P25/P2500 Van. With over 2 Felpro brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $9.49, with an average price of just $9.74. Plus, with over 8 customer reviews and an average rating of 4.6 stars, you can trust that our Felpro 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.

from $9.49

(3)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

“Worked as it should, nice to see no more leaks, follow directions don’t over tighten”

from $9.99

(5)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

“Was exactly what I needed. Service and price was excellent as always!”

Popular National 1973 GMC P25/P2500 Van Transmission Parts

National auto parts is one of the highest quality Transmission Part brands in the market. Any 1973 GMC P25/P2500 Van owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1973 P25/P2500 Van, Advance Auto Parts carries a full inventory of 3 National Transmission Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Transmission Parts range from $10.99 to $12.99, plus, with more than 11 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.

from $10.99

(4)

Multi-Purpose Seal

“it worked”

from $12.99

(5)

Multi-Purpose Seal

“It seals great so far”

from $12.99

(2)

Multi-Purpose Seal

“Sealed tbe trams leak perfectly”

FAQs for 1973 GMC P25/P2500 Van Transmission Parts

Which Transmission Parts are best-sellers for 1973 GMC P25/P2500 Vans?

Out of 93 Transmission Parts that fit 1973 GMC P25/P2500 Vans, the following parts are the top sellers:

Mounting Kit System (6014844) – $11.99
Multi-Purpose Bearing (3275876) – $35.99
Econo-Kool Transmission Oil Cooler (6014720) – $40.99

What’s the price range for 1973 GMC P25/P2500 Van Transmission Parts?

Transmission Part prices for the 1973 GMC P25/P2500 Van start at $3.19 and go up to $1,349.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1973 GMC P25/P2500 Van?

The average price for Transmission Parts for the 1973 GMC P25/P2500 Van is $157.87. 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 P25/P2500 Van model years?

Yes, we currently carry Transmission Parts for 6 model years of GMC P25/P2500 Vans between 1967 and 1974. Transmission Parts are bought most frequently for the following model years: 1974, 1972, 1971, 1970, 1969, 1968, and 1967.

What are the cheapest Transmission Parts for my 1973 GMC P25/P2500 Van?

The cheapest 1973 GMC P25/P2500 Van Transmission Parts we carry in stock are:

Automatic Transmission Speedometer Pinion Seal (11236107) – $3.19
Automatic Transmission Fluid Filler Tube Seal (11239035) – $4.29
Shifter Link Bushing (5010071) – $5.99
Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In. (sold by each) (22148989) – $5.99
Multi-Purpose Seal (18442792) – $5.99

What are the top-rated Transmission Parts that fit the 1973 GMC P25/P2500 Van?

Out of 1,586 reviews by customers, our 1973 GMC P25/P2500 Van Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1973 GMC P25/P2500 Van and their top-rated products:

Transmission Bearings
- Multi-Purpose Bearing (3275876) – $35.99
Automatic Transmission Pan and Gaskets
- Multi-Purpose Bearing (3275876) – $35.99

What types of Transmission Parts do you sell for my 1973 GMC P25/P2500 Van?

As of 6/2/26, these are some of the most in-demand types of Transmission Parts for a 1973 GMC P25/P2500 Van:

Can I get help with 1973 GMC P25/P2500 Van 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 P25/P2500 Van Transmission Parts?

Advance Auto Parts keeps returns simple. For new GMC P25/P2500 Van Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1973 GMC P25/P2500 Van Transmission Parts

National – Engine Crankshaft Seal (Part No.5092)

ATP – Automatic Transmission Front Pump Bushing (Part No.CB-4)

ATP – Automatic Transmission Band (Front) (Part No.JX-58)

Hays – Converter: Th350 28-3200 Stall (Part No.97-1B28Q)

ATP – Automatic Transmission Oil Pump O-Ring (Part No.SO-21)

Mr. Gasket – A/Tdipstick (Part No.9703G)

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

Driveworks – Taper Bearing Cone (Part No.S-M-88048)

National – Multi Purpose Seal (Part No.8792S)

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

ATP – Automatic Transmission Banner Repair Kit (Part No.SM-11)

Dorman – Help – Shifter Link Bushing (Part No.02373)

B & M – Transpak For 68-81 TH 350 Transmission (Part No.30228)

National – Multi-Purpose Seal (Part No.5208)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

National – Multi-Purpose Seal (Part No.9449)

ATP – Automatic Transmission Clutch Plate (Part No.SC-30)

Felpro – Manual Transmission Gasket Set (Part No.TS 30118)

ATP – Automatic Transmission Master Repair Kit (Part No.CM-11)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-38)

Imperial – Mounting Kit System (Part No.226201)

ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal (Part No.200-2906)

National – Multi-Purpose Seal (Part No.411330N)

ATP – Automatic Transmission Extension Housing Seal (Part No.JO-57)

Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Black (Part No.71223029HKR)

Felpro – Transmission Oil Pan Gasket 14 Bolt Hole One Piece Gasket (Part No.TOS 18608)

B & M – Automatic Shifter, Unimatic Shifter (Part No.80775)

ATP – Automatic Transmission Fluid Filler Tube Seal (Part No.JO-15)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2378)

Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Red (Part No.71223030HKR)

Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Black (Part No.71223029HKR)

Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18633)

Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18621)

ATP – Automatic Transmission Oil Pump Gasket (Part No.SG-27)

ATP – Automatic Transmission Fluid Filler Tube Seal (Part No.JO-15)

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

ATP – Automatic Transmission Oil Pump O-Ring (Part No.SO-21)

Dorman – Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In. (sold by each) (Part No.690-014)

Dorman – Clutch Pilot Bushing (Part No.690-014.1)

ATP – AT MODULATOR VALVE (Part No.JX-66)

ATP – Automatic Transmission Front Pump Bushing (Part No.CB-4)

Mr. Gasket – A/Tdipstick (Part No.9703G)

B & M – Cable Bracket (Part No.30498)

ATP – Automatic Transmission Band (Front) (Part No.JX-58)

ATP – Automatic Transmission Clutch Plate (Part No.SC-29)

ATP – Automatic Transmission Clutch Plate (Part No.JC-57)

ATP – Automatic Transmission Clutch Plate (Part No.SC-30)

National – Multi-Purpose Seal (Part No.9449)

National – Multi-Purpose Seal (Part No.5200)

ATP – Automatic Transmission Selector Shaft Seal (Part No.SO-19)

Driveworks – Oil Seal (Part No.S-8460N)

National – Multi-Purpose Seal (Part No.9613S)

National – Multi Purpose Seal (Part No.8792S)

Driveworks – Oil Seal (Part No.S-9449)

National – Multi-Purpose Seal (Part No.5208)

ATP – Automatic Transmission Extension Housing Seal (Part No.HO-9)

ATP – Automatic Transmission Extension Housing Seal (Part No.SO-22)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-13)

ATP – Automatic Transmission Extension Housing Seal (Part No.HO-8)

National – Multi-Purpose Seal (Part No.240735)

National – Multi-Purpose Seal (Part No.410085)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-34)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-38)

National – Engine Crankshaft Seal (Part No.5092)

National – Multi-Purpose Seal (Part No.7038SA)

Driveworks – Oil Seal (Part No.S-2286)

ATP – Automatic Transmission Extension Housing Seal (Part No.JO-57)

ATP – Automatic Transmission Seal (Part No.SO-39)

National – Multi-Purpose Seal (Part No.481181N)

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

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

Imperial – Mounting Kit System (Part No.226201)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242010)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242009)

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

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

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

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242012)