1973 GMC K25/K2500 Suburban Engine Parts

Essential 1973 GMC K25/K2500 Suburban Engine Parts

Sealed Power – Push Rod (Part No.RP-3212R 100)

Push Rod

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$9.49
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • Professional racing rods
  • 1-Piece forged end rods
  • Hardened for guide plate compatibility
  • Centerless ground to guarantee concentricity
  • Black oxide coated for corrosion protection
  • Part numbers are laser etched on each pushrod for positive ID
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Dorman – Timing Cover Timing Mark (Part No.635-550)

Timing Cover Timing Mark

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$8.99
This engine timing tab is designed to match the fit and function of the original tab on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine timing tab is designed to match the fit and function of the original tab on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion or a broken weld
  • 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
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Dorman – Lock Nut, Type 8, 7/16-20 In., GM (sold by each) (Part No.693-022)

Lock Nut, Type 8, 7/16-20 In., GM (sold by each)

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$3.49
This engine rocker arm nut 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 engine rocker arm nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this nut is a reliable replacement for an original part that is missing or 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
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PowerBond – Race Performance Harmonic Balancer; 202mm Diameter (Part No.PB1046SS)

Race Performance Harmonic Balancer; 202mm Diameter

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$169.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:
  • Designed as premium OEM replacement balancers for serpentine and V-belt drives
  • Manufactured with ductile iron casting and injection bonded dampening rubber
  • Engineered to offer superior bonding strength between the balancer rings
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Melling – Stock Replacement Oil Pump Drive Gear (Part No.DG-62C)

Stock Replacement Oil Pump Drive Gear

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$42.49
Melling offers a replacement oil pump drive gear for several Jeep and GM applications. This gear should be replaced should the original gear show ware or be damaged or lost during the rebuilding process.

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Melling Select Performnce – High Performance Replacement Bolt On Oil Pump Screen (Part No.12559)

High Performance Replacement Bolt On Oil Pump Screen

from

$42.99
A new Melling high performance pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine wear, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed high performance oil pump pick-up tube/screen be a part of every oil pump installation when a higher quality oil pump screen is required. Melling high performance oil pump pick-up tubes/screens are manufactured with stronger welds and in some cases designed with additional reinforced mountings, include mounting bolts and are supplied with protective coatings.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineered for maximum fit and function
  • Designed for long-life and worry-free performance
  • Phosphate coated for rust protection
  • Includes screen mounting gasket
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Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K-55)

Stock Replacement Type Oil Pump Repair Kit

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$47.49
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:
  • Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
  • Components are manufactured from high quality materials for durable wear
  • Components are precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
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Felpro – Intake and Exhaust Manifolds Combination Gasket (Part No.MS 9786)

Intake and Exhaust Manifolds Combination Gasket

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$17.29
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
  • Premium quality parts
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4124MA 20)

Engine Crankshaft Main Bearing Set

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$69.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40096-1)

Engine Crankshaft Seal Kit

from

$25.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Cloyes Performance – Engine Timing Cover (Part No.9-221B)

Engine Timing Cover

from

$47.99
Machined Aluminum Center Plate; Threaded for Rollerized Cam Button; Grooved for O-Ring Seal; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:
  • Machined Aluminum Center Plate
  • Threaded for Rollerized Cam Button
  • Grooved for O-Ring Seal
  • Meets or exceeds OEM performance requirements
  • Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
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Sealed Power – Engine Piston (Part No.WH423DCP 40)

Engine Piston

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$19.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Hypereutectic
  • Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
  • Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
  • Piston skirts protected by next-gen DUROSHIELD« coating.
  • TAC┐ ring groove geometry
  • Weight matched to +/- 2 grams.
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Mr. Gasket – Complete Engine Bolt Kit (Part No.5001)

Complete Engine Bolt Kit

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$164.99
Chrome plated hex-head. Includes intake and timing cover, oil pan, fuel pump, water neck, long water pump and headers.

Product Features:
  • Includes an type washers
  • Professional appearance
  • Ideal for street rods/machines
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Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)

Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each)

from

$1.29
This engine connecting rod nut 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 engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this nut is a reliable replacement for an original part that is missing or 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
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Edelbrock – Valve Seat for S/B Chevy heads with 1.60" Valves (Part No.9710)

Valve Seat for S/B Chevy heads with 1.60" Valves

from

$18.99
Product Features:
  • Valve Seats
  • Performer Series
  • 50-State Street Legal
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Spartan – Engine Long Block; Chev 350 64-77 4-Bolt Engine (Part No.VC09)

Engine Long Block; Chev 350 64-77 4-Bolt Engine

from

$1988.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.

Product Features:
  • Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
  • Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
  • Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
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Sealed Power – Engine Piston (Part No.WH423DCP)

Engine Piston

from

$20.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Hypereutectic
  • Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
  • Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
  • Piston skirts protected by next-gen DUROSHIELD« coating.
  • TAC┐ ring groove geometry
  • Weight matched to +/- 2 grams.
See More

Melling – Stock Replacement Oil Pump Shaft Guide (Part No.M-55005)

Stock Replacement Oil Pump Shaft Guide

from

$2.99
Several Melling oil pump applications require the use of an oil pump shaft guide. Melling provides high quality shaft guides for specific pump applications. An oil pump shaft guide is necessary to connect the oil pump drive shaft to the intermediate drive shaft. Melling recommends installing a new oil pump shaft guide when it is needed.

Product Features:
  • Manufactured from high quality nylon for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Cylinder Head Dowel Pins

from

$16.99
These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly. 2 per set.

Product Features:
  • Precision machined
  • Case hardened
  • Give accurate alignment
  • 2 per set
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Dorman – Rubber Expansion Plug 2-1/8 In. – Size Range 2-1/8 In. – 2-1/4 In. (sold by each) (Part No.570-016)

Rubber Expansion Plug 2-1/8 In. - Size Range 2-1/8 In. - 2-1/4 In. (sold by each)

from

$5.99
This engine camshaft plug 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 engine camshaft plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or 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
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Cloyes Performance – High Performance Timing Chain (Part No.9-192)

High Performance Timing Chain

from

$64.99
High Performance 1/2″ Pitch Single Roller Replacement True Roller Chain. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
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Mr. Gasket – Woodruff Key (Part No.984G)

Woodruff Key

from

$25.99
The offset cam and crankshaft key helps increase torque and horsepower.

Product Features:
  • Increases low-end torque
  • Increases mid-range horsepower
  • Reduces low-end torque
  • Increases top-end horsepower
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Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A 1)

Engine Connecting Rod Bearing Set

from

$42.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
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Mr. Gasket – Oil Filler Tube (Part No.2066)

Oil Filler Tube

from

$20.99
Adds a professional look to your engine. Chrome.

Product Features:
  • With custom chrome breathers
  • Professional appearance
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Felpro – Exhaust Pipe Flange Gasket (Part No.60083)

Exhaust Pipe Flange Gasket

from

$3.99
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
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Mr. Gasket – Oil Pan (Part No.5415)

Oil Pan

from

$307.99
The fully polished, finned aluminum oil pan is die cast for a perfect fit. 5 quart drain plug and bolts included.

Product Features:
  • Precision die cast
  • Includes drain plug and bolts
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ARP Auto Racing – ARP Cylinder Head Stud Kit (Part No.234-4301)

ARP Cylinder Head Stud Kit

from

$316.99
ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated for superior to “aircraft” quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat-treated to 200,000 psi for the 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. 

Product Features:
  • 1/2″ 12-Point, 3/16″ Allen Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Small Block Chevy
  • Sold As A Kit
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Felpro – OIL PUMP MOUNTING GASKET SET (Part No.71012)

OIL PUMP MOUNTING GASKET SET

from

$3.29
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
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Popular 1973 GMC K25/K2500 Suburban Engine Parts Categories

1973 GMC K25/K2500 Suburban Engine Parts

You count on your 1973 GMC K25/K2500 Suburban to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 556 Engine Parts ranging in price from $0.30 to $5,984.99, you’re sure to find everything you need for your 1973 GMC K25/K2500 Suburban.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 24 different brands like Sealed Power, Felpro, and Melling. 1973 GMC K25/K2500 Suburban Engine Parts start as low as $0.30!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 4,066 extensive product reviews on 1973 GMC K25/K2500 Suburban Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Valve Cover Gasket Set with 4.8 stars and Premium OEM Replacement Harmonic Balancer; 171.45mm Diameter with 4.4 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 1973 GMC K25/K2500 Suburban below to get started!

Top-Rated Engine Parts Brands For Your 1973 GMC K25/K2500 Suburban

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1973 GMC K25/K2500 Suburban running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Melling, and even more.

Popular Anchor Engine Parts

You’ll find popular Anchor brand products across Engine Mounts. All are waiting to get your 1973 GMC K25/K2500 Suburban back on the road. Some of the top-rated Anchor products in these categories are:
Engine Mount: Front Left, Front Right, 1 Piece
from $13.49
(18)
Engine Mount: Front Left, Front Right, 1 Piece
Engine Mounts

FAQs for 1973 GMC K25/K2500 Suburban Engine Parts

What are the most purchased Engine Parts for the 1973 GMC K25/K2500 Suburban?

Out of 556 Engine Parts for the 1973 GMC K25/K2500 Suburban, the most popular in our inventory are:
Engine Valve Lifter
from $13.99
(15)
Engine Valve Lifter
Engine Valve Lifters
Engine Push Rod
from $2.99
(5)
Engine Push Rod
Push Rods
Engine Cylinder Head Bolt Set
from $31.99
(38)
Engine Cylinder Head Bolt Set
Cylinder Head Bolt Sets

What are the top-rated 1973 GMC K25/K2500 Suburban Engine Parts?

Top-rated Engine Parts for your 1973 GMC K25/K2500 Suburban based on customer reviews/ratings are:
Engine Valve Cover Gasket Set
from $25.99
(45)
Engine Valve Cover Gasket Set
“Satisfied”
Premium OEM Replacement Harmonic Balancer; 171.45mm Diameter
from $94.99
(30)
Premium OEM Replacement Harmonic Balancer; 171.45mm Diameter
“Company has GOOD products”
Engine Valve Cover Gasket Set
from $25.99
(17)
Engine Valve Cover Gasket Set
“Good product.”