1978 Dodge Diplomat Engine Parts
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- 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
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Anchor®Front Passenger Side Engine MountDodge Diplomat 1978, Front Passenger Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$6.72 - $14.70 - Dorman®Autograde™ Engine Oil Drain PlugDodge Diplomat 1978, Autograde™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed to provide a perfect fit for a hassle free installation, this...Oil Drain Plugs are designed and constructed to strict engineering quality standardsThe finest quality at a great price$1.70 - $8.71
- Westar®Front Driver Side Engine MountDodge Diplomat 1978, Front Driver Side Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$6.98 - $18.02
- Westar®Front Passenger Side Engine MountDodge Diplomat 1978, Front Passenger Side Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$6.98 - $15.93
- Fel-Pro®Cylinder Head Gasket SetDodge Diplomat 1978, Cylinder Head Gasket Set by Fel-Pro®. 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...Proprietary coating - nonstick anti-friction coating seals small surface scratches and imperfectionsSealing technologies - exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair$56.17 - $101.38
- Fel-Pro®Engine Oil Pan Gasket SetDodge Diplomat 1978, Engine Oil Pan Gasket Set by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Direct OEM replacement for a proper fitEnsures reliable sealing performance$12.76 - $13.33
- iD Select®Front Driver Side Engine MountDodge Diplomat 1978, Front Driver Side Engine Mount by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$7.75 - $16.99
- iD Select®Front Passenger Side Engine MountDodge Diplomat 1978, Front Passenger Side Engine Mount by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$7.75 - $16.99
- Continental® ContiTech™Serpentine BeltDodge Diplomat 1978, Serpentine Belt by Continental® ContiTech™. 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....Made with precision and quality in mindDesigned to meet your specific needs$11.60 - $19.84
- Dorman®OE Solutions™ Harmonic Balancer AssemblyDodge Diplomat 1978, OE Solutions™ Harmonic Balancer Assembly by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and general wear...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$162.75 - $226.40
- Dorman®OE Solutions™ Harmonic Balancer Assembly KitDodge Diplomat 1978, OE Solutions™ Harmonic Balancer Assembly Kit by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and general...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$95.49 - $133.72
- Dayco®Top Cog™ V-BeltDodge Diplomat 1978, Top Cog™ V-Belt by Dayco®. Specially constructed for vehicles that utilize the multiple-belt system, this product features raw-edge construction along with a patented top cogged design, which ensures maximum...Designed for power transmission to vehicle accessoriesConstructed for vehicles that utilize V-belts$10.73 - $18.61
- Dorman®OE Solutions™ Aluminum Timing Chain CoverDodge Diplomat 5.2L / 5.9L 1978, OE Solutions™ Aluminum Timing Chain Cover by Dorman®. This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone...Direct replacement - this engine timing cover matches the fit and function of the original equipment coverDurable construction - this part is specifically designed to withstand extreme underhood temperatures for a long service life$98.72
- Mahle®Oil Pan SetDodge Diplomat 1978, Oil Pan Set by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...Made with precision and quality in mindDesigned to meet your specific needs$12.74 - $19.64
- Melling®Oil PumpDodge Diplomat 5.2L / 5.9L 1978, Oil Pump by Melling®. Designed utilizing the latest technology, this Engine Oil Pump by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$51.28 - $100.05
- Gates®Automotive XL™ V-BeltDodge Diplomat 1978, Automotive XL™ V-Belt by Gates®. 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 meet...Made with precision and quality in mindDesigned to meet your specific needs$15.57 - $22.87
- ATP®Graywerks Harmonic BalancerDodge Diplomat 1978, Graywerks Harmonic Balancer by ATP®. ATP Graywerks Harmonic Balancers are a high quality OE replacement alternative. The parts are developed to the OE design, ensuring they will install properly and function as...Manufactured to OE design ensuring each balancer will install properly and function as intendedDynamically balanced for proper absorption of the crankshaft vibrations$62.85 - $194.02
- Apex Auto®Timing Cover Gasket SetDodge Diplomat 5.2L / 5.9L 1978, Timing Cover Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Made with precision and quality in mindDesigned to meet your specific needs$17.16
- DNJ Engine Components®Standard Volume Oil PumpDodge Diplomat 5.2L / 5.9L 1978, Standard Volume Oil Pump by DNJ Engine Components®. This supreme DNJ oil pump will come in handy if you need to replace your malfunctioning component and restore your vehicle to it's proper performance....Designed to replace your worn out factory oil pumpHelps keep your vehicle operating at it's maximum$38.78
- TRQ®Engine Oil Pressure SwitchDodge Diplomat 5.2L / 5.9L 1978, Engine Oil Pressure Switch by TRQ®. 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....Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$18.95Save: $1.14 (6%)$17.81
- Gates®DriveAlign™ Drive Belt Idler PulleyDodge Diplomat 3.7L 1978, DriveAlign™ Drive Belt Idler Pulley by Gates®. Built to last by resisting dirt, salt, and other under-hood contaminants and are designed for use on passenger cars and light trucks as a locked center...High quality construction provides high durability for long lifeBearing meets or exceeds OE and is designed for application specific speed and load requirements$20.93
- DEA®Front Driver Side Engine MountDodge Diplomat 1978, Front Driver Side Engine Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car frame...Designed to meet or exceed OE specificationsConstructed to deliver consistent performance$9.93 - $14.04
- Apex Auto®Cylinder Head Gasket SetDodge Diplomat 5.2L / 5.9L with Heavy Duty Engine / High-Performance Engine 1978, Cylinder Head Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform...Quick accurate delivery with excellent fill-rateExcellent inventory availability$64.90
- ACDelco®Professional™ Standard High Capacity V-BeltDodge Diplomat 1978, Professional™ Standard High Capacity V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.60 - $34.20
- Four Seasons®Drive Belt Idler PulleyDodge Diplomat 1978, Drive Belt Idler Pulley by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix it right with Four...Made with precision and quality in mindDesigned to meet your specific needs$15.79 - $21.13
- Apex Auto®Engine Oil Pan Gasket SetDodge Diplomat 1978, Engine Oil Pan Gasket Set by Apex Auto®. 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...Made with precision and quality in mindDesigned to meet your specific needs$8.82 - $9.49
- Mahle®Cylinder Head GasketDodge Diplomat 1978, Cylinder Head 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$19.75 - $103.60
- TRQ®Engine Harmonic BalancerDodge Diplomat 5.2L 1978, Engine Harmonic Balancer by TRQ®. Pick out the quality and reliable TRQ engine harmonic balancer offered at a price you can afford to restore the optimal driving experience and maintain your vehicle running in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$61.95Save: $1.86 (3%)$60.09
- SKP®Harmonic BalancerDodge Diplomat 5.2L 1978, Harmonic Balancer by SKP®. 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$57.67
- Fel-Pro®Crankshaft SealDodge Diplomat 1978, Crankshaft Seal by Fel-Pro®. 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...Application specific design to ensure a perfect fitMeets or exceeds all original equipment specifications$12.63 - $27.37
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