1981 Dodge Diplomat Engine Parts

Essential 1981 Dodge Diplomat Engine Parts

Felpro – Engine Gasket Set (Part No.KS 2114)

Engine Gasket Set

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$56.99
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.5095MA)

Engine Crankshaft Main Bearing Set

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$110.99
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 Timing Cover Repair Sleeve (Part No.16201)

Engine Timing Cover Repair Sleeve

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$10.29
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • 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
  • Validated for fit, form, and function
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S314T)

Engine Timing Camshaft Sprocket

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$12.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that 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
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Competition Cams – Xtreme Energy 224/230 Hydraulic Roller Cam for Chrysler 273-360 (Part No.20-811-9)

Xtreme Energy 224/230 Hydraulic Roller Cam for Chrysler 273-360

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$505.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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Felpro – Engine Oil Pump Gasket (Part No.12768)

Engine Oil Pump Gasket

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$1.49
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
  • 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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Felpro – OIL PAN GASKET SET (Part No.OS 6566 C-2)

OIL PAN GASKET SET

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$18.99
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Dorman – Pipe Plug C.S. Hex 3/8-18 Npt X 7/16 In. (sold by each) (Part No.090-028)

Pipe Plug C.S. Hex 3/8-18 Npt X 7/16 In. (sold by each)

from

$1.29
This engine oil pump drain 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 oil pump drain 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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Mahle – Timing Cover Gasket (Part No.A80501702552MAH)

Timing Cover Gasket

from

$6.44
Timing Cover Gasket

Anchor – Engine Mount: Front Right, 1 Piece (Part No.2325)

Engine Mount: Front Right, 1 Piece

from

$12.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to CHRY 74-89; DODGE 72-89; PLYM 70-89;. Please verify your application.

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 #5 bolts.
  • SUPERIOR BOND: A special Chemlock® 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: 1970-1989
  • Weight approx: 3 Lbs
  • PART GROUP: 2325, 2326
  • COMPLETE MOUNT
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S291)

Engine Timing Crankshaft Sprocket

from

$10.49
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that 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
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40651)

Engine Crankshaft Seal Kit

from

$31.49
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:
  • 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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Felpro – Cylinder Head Gasket Set (Part No.HS 8553 PT-13)

Cylinder Head Gasket Set

from

$69.99
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:
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
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Felpro – Engine Conversion Gasket Set (Part No.CS 8359)

Engine Conversion Gasket Set

from

$26.49
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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MAHLE Original – Fuel Pump Gasket (Part No.D27094)

Fuel Pump Gasket

from

$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-72)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$77.99
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

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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Mr. Gasket – Valve Cover (Part No.9806)

Valve Cover

from

$77.99
Chrome plated steel valve covers have a flat smooth top. Available for numerous applications.

Product Features:
  • Flat/smooth top
  • Designed to hold valve cover gasket in position
  • Made from grade 5 steel
  • Long lasting durability
  • Cadmium plated to resist corrosion
  • Easy installation
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Melling – Stock Replacement OE Type Oil Pump (Part No.M-66C)

Stock Replacement OE Type Oil Pump

from

$130.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

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
  • Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
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PowerBond – Race Performance Harmonic Balancer; 184.3mm Diameter (Part No.PB1108SS)

Race Performance Harmonic Balancer; 184.3mm Diameter

from

$303.99
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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Dorman – Timing Cover With Gasket And Seal (Part No.635-400)

Timing Cover With Gasket And Seal

from

$96.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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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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Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2130CP 20)

Engine Connecting Rod Bearing Set

from

$36.99
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:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
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Cloyes Gear – Engine Timing Set (Part No.C-3022K)

Engine Timing Set

from

$34.99
Timing Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Cam Sprocket, Crankshaft Sprocket, Timing Chain
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Crankshaft Rebuilders – Remanufactured Crankshaft Kit (Part No.13490)

Remanufactured Crankshaft Kit

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$253.99
Remanufactured precision machined OE crankshafts.

Product Features:
  • Includes matching rod and main bearings.
  • Journals Micropolished.
  • All units subject to complete quality inspection.
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Spectre – Dipstick; Billet Handle (Part No.5744)

Dipstick; Billet Handle

from

$22.79
Spectre’s gold iridite-plated finish Oil Dipsticks are available for a number of different vehicles and come in a variety of sizes, from 17 inch to 20 inches. This replacement oil dipstick has a base made to OEM specifications and markings match OEM for true accuracy, ensuring optimum fit and function. It also has a billet handle.

Product Features:
  • Markings match OEM for true accuracy
  • Base made to OEM specifications
  • Gold iridite-plated finish
  • Billet handle
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Dorman – Steel Cup Expansion Plug 1-21/64 In. SC, Height 0.300 (sold by each) (Part No.555-072)

Steel Cup Expansion Plug 1-21/64 In. SC, Height 0.300 (sold by each)

from

$1.29
This engine expansion 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 expansion 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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Carquest Premium – Engine Oil Filler Cap: 10098, Push Fit, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10098)

Engine Oil Filler Cap: 10098, Push Fit, Direct Fit, Provides Tight Seal, 1 Pack

from

$5.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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Cloyes Gear – Engine Timing Chain (Part No.C160)

Engine Timing Chain

from

$29.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • Recommended that 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
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
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1981 Dodge Diplomat Engine Parts

You count on your 1981 Dodge Diplomat 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 127 Engine Parts ranging in price from $1.29 to $1,948.99, you’re sure to find everything you need for your 1981 Dodge Diplomat.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 21 different brands like Sealed Power, Felpro, and Dorman. 1981 Dodge Diplomat Engine Parts start as low as $1.29!

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 1,944 extensive product reviews on 1981 Dodge Diplomat Engine Parts. Some of the top-rated Engine Parts products we carry are Stock Replacement OE Type High Volume Oil Pump with 3.7 stars and Econo-Kool® Engine Oil Cooler with 4.7 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 1981 Dodge Diplomat below to get started!

Top-Rated Engine Parts Brands For Your 1981 Dodge Diplomat

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 1981 Dodge Diplomat running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Dorman, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Blocks. All are waiting to get your 1981 Dodge Diplomat back on the road. Some of the top-rated Carquest Premium products in these categories are:

Top-Rated Engine Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Engine Parts for your 1981 Dodge Diplomat, and some of our most reviewed parts include:
Oil Seal
from $11.49
(87)
Oil Seal
Crankshaft Seals

FAQs for 1981 Dodge Diplomat Engine Parts

What are the most purchased Engine Parts for the 1981 Dodge Diplomat?

Out of 127 Engine Parts for the 1981 Dodge Diplomat, the most popular in our inventory are:
Engine Valve Lifter
from $5.99
(11)
Engine Valve Lifter
Engine Valve Lifters
Stock Replacement OE Type Oil Pump
from $53.99
(18)
Stock Replacement OE Type Oil Pump
Oil Pumps
Engine Valve Cover Gasket Set
from $29.99
(5)
Engine Valve Cover Gasket Set
Valve Cover Gaskets

What are the top-rated 1981 Dodge Diplomat Engine Parts?

Top-rated Engine Parts for your 1981 Dodge Diplomat based on customer reviews/ratings are:
Stock Replacement OE Type High Volume Oil Pump
from $95.99
(6)
Stock Replacement OE Type High Volume Oil Pump
“Replacing another HV oil pump that had served me for 25 years.”
Econo-Kool® Engine Oil Cooler
from $141.99
(3)
Econo-Kool® Engine Oil Cooler
“Good price perfect fit had all the parts I needed good quality”
TIMING COVER GASKET SET
from $26.99
(2)
TIMING COVER GASKET SET
“for a 70 dodge pu La318”