1981 Dodge Diplomat Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Engine Swap Kits
- Throttle Bodies
- Carburetors
- Motor Oils
- Derale Performance®Series 10000™ Stack Plate CoolerDodge Diplomat 1981, Series 10000™ Stack Plate Cooler by Derale Performance®. Our most efficient heat exchanger, the all aluminum 10 row Stacked Plate cooler features sturdy furnace brazed construction, full 2" deep...Designed for engine and transmission coolingMost efficient heat exchangers available$107.37
- QualCast®Engine ValveDodge Diplomat 1981, Engine Valve by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$5.69 - $8.34
- DNJ Engine Components®Cylinder Head GasketDodge Diplomat 5.2L 1981, Cylinder Head Gasket by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide...Designed to restore your vehicle's original performanceProvides superior sealing performance$14.79
- Enginetech®Engine Piston Ring SetDodge Diplomat 1981, Engine Piston Ring Set by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$30.56 - $48.05
- Wiseco®High Performance Piston Ring SetDodge Diplomat 1981, High Performance Piston Ring Set by Wiseco®. Designed utilizing the latest technology, this product by Wiseco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$21.51 - $33.91
- Sealed Power®Oil PumpDodge Diplomat 1981, Oil Pump by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Manufactured to fit a specific applicationEnsures that oil is evenly distributed in the engine system$104.73 - $119.38
- Sealed Power®Oil Pump Pick-UpDodge Diplomat 5.2L 1981, Oil Pump Pick-Up by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct replacementManufactured to strict engineering quality standards$32.91
- Enginetech®Rear Main SealsDodge Diplomat 5.2L 1981, Rear Main Seals by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$5.85
- Timken®Crankshaft SealDodge Diplomat 1981, Crankshaft Seal by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design, enhanced...Expertly crafted from premium materialsDesigned to match rigorous quality standards$15.77 - $50.55
- Professional Products®Powerforce+Plus™ Harmonic BalancerDodge Diplomat Base / Medallion / Salon 5.2L 1981, Powerforce+Plus™ Harmonic Balancer by Professional Products®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$165.23
- Sealed Power®A-Series Aluminum Full Grooved Crankshaft Main Bearing SetDodge Diplomat 5.2L 1981, A-Series Aluminum Full Grooved Crankshaft Main Bearing Set by Sealed Power®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...A-Series bi-metal aluminum alloyGreater seizure resistance than tri-metal material$86.17
- Sealed Power®Crankshaft Main Bearing SetDodge Diplomat 3.7L 1981, Crankshaft Main Bearing Set by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle...Greater seizure resistance than tri-metal materialReduces dramatically or eliminates bearing wear$63.97
- Clevite®A-Series OE Replacement Undersize Connecting Rod BearingDodge Diplomat 5.2L 1981, A-Series OE Replacement Undersize Connecting Rod Bearing by Clevite®. Enjoy superior performance by getting this premium-grade Clevite product that is throughly engineered to help take the performance of your...Made with the use of the highest quality materialsModern technology for uncompromising reliability$4.19 - $5.13
- Clevite®H-Series High Performance Undersize Connecting Rod BearingDodge Diplomat 5.2L 1981, H-Series High Performance Undersize Connecting Rod Bearing by Clevite®. Enjoy superior performance by getting this premium-grade Clevite product that is throughly engineered to help take the performance of your...Made with the use of the highest quality materialsModern technology for uncompromising reliability$22.23
- Clevite®P-Series Connecting Rod Bearing SetDodge Diplomat 5.2L 1981, P-Series Connecting Rod Bearing Set by Clevite®. Enjoy superior performance by getting this premium-grade Clevite product that is throughly engineered to help take the performance of your fuel system to the...Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials$10.24 - $80.44
- Clevite®P-Series OE Replacement Undersize Connecting Rod BearingDodge Diplomat 5.2L 1981, P-Series OE Replacement Undersize Connecting Rod Bearing by Clevite®. Enjoy superior performance by getting this premium-grade Clevite product that is throughly engineered to help take the performance of your...Made with the use of the highest quality materialsModern technology for uncompromising reliability$10.53
- MotoRad®Cam Twist Oil Filler CapDodge Diplomat 1981, Cam Twist Oil Filler Cap by MotoRad®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will...Made with precision and quality in mindDesigned to meet your specific needs$2.50
- DNJ Engine Components®Valve LifterDodge Diplomat 5.2L 1981, Valve Lifter by DNJ Engine Components®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Designed to replace your malfunctioning partsHelps get your vehicle back to it's original performance$6.90 - $14.82
- Mahle®Cork Rubber Valve Cover GasketDodge Diplomat 3.7L 1981, Cork Rubber Valve Cover Gasket by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.97
- Mahle®Valve Cover Gasket SetDodge Diplomat 5.2L 1981, Valve Cover Gasket Set by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$11.93 - $19.85
- Apex Auto®Valve Cover Gasket SetDodge Diplomat 5.2L 1981, Valve Cover Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and...Made with precision and quality in mindDesigned to meet your specific needs$11.96
- Dorman®Autograde™ Expansion PlugDodge Diplomat 1981, Autograde™ Expansion Plug by Dorman®. 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...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$1.77
- Dorman®Autograde™ Expansion Plug KitDodge Diplomat 1981, Autograde™ Expansion Plug Kit by Dorman®. 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...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$12.14 - $27.12
- Dorman®Autograde™ Expansion PlugsDodge Diplomat 1981, Autograde™ Expansion Plugs by Dorman®. 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...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$8.14 - $13.80
- Mahle®Oil Filter GasketDodge Diplomat 1981, Oil Filter Gasket by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$0.50 - $3.17
- Mahle®Valve Stem Oil Seal SetDodge Diplomat 1981, Valve Stem Oil Seal Set by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.02 - $15.86
- Hayden®Oil Filter Mounting Relocation KitDodge Diplomat 1981, Oil Filter Mounting Relocation Kit by Hayden®. This product is designed for use when relocation of the oil filter is necessary. The Hayden oil filter remount kit includes all required hardware to complete the job,...Non-thermostaticDesigned to ensure easy oil filter relocation$64.17
- SKF®Timing Cover SealDodge Diplomat 3.7L 1981, Timing Cover Seal by SKF®. Do you hear chirping or squealing noise? Has the "power" disappeared from your steering? Does your engine crank slowly and are your lights dim? You may need accessory drive belt...Made with precision and quality in mindDesigned to meet your specific needs$14.80
- Sealed Power®Valve LifterDodge Diplomat 1981, Valve Lifter by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...OE replacementHigh strength steel retainer (precisely limits plunger travel to perform at rpm operation)$6.78 - $10.21
- National®Front Crankshaft Repair SleeveDodge Diplomat 5.2L 1981, Front Crankshaft Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original equipment...Designed to repair damaged, grooved or worn shaftsDurable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications$32.65
Shop By Service Type
Popular Products
1981 Dodge Diplomat Models
Popular Searches