Exhaust & Emission Systems for 1978 Dodge Diplomat
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Exhaust Manifold 198 & 225 6-(SLANT-6cyl) Dodge Chrysler Plymouth Pickup Van Car (Fits: 1978 Dodge Diplomat)
Brand New: Aftermarket Products$199.95Free shipping242 soldShorty Headers for Dodge Challenger Charger Small Block 273 360 5.2L 5.6L 5.9L (Fits: 1978 Dodge Diplomat)
Brand New: 1st-racing$145.70Was: $155.00or Best Offer$3,025.00 shippingOnly 1 left!Stainless Exhaust Headers Fits Dodge Chrysler Plymouth Small Block 318 340 360 (Fits: 1978 Dodge Diplomat)
Brand New: Unbranded$299.99Free shipping100 watchingSmall Block Mopar 318 340 360 REMFLEX Exhaust Manifold Gaskets 6027 Pre-Mag (Fits: 1978 Dodge Diplomat)
Brand New: Remflex$39.03Estimated delivery dateEst. delivery Fri, May 24Only 1 left!Top Rated Plus- Sellers with highest buyer ratings
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Flowtech 99361FLT Header Gaskets - Ferroglass Non-Asbestos - 273-318 Chrysler... (Fits: 1978 Dodge Diplomat)
Brand New: FLOWTECH$15.70Was: $16.61Free shipping5.9 360 Dodge Chrysler Exhaust Manifold Left or Right 3870055,3830684,4041466 (Fits: 1978 Dodge Diplomat)
Brand New$139.00$17.61 shipping3/8 Engine Exhaust Intake Manifold Head Stud Bolt Fits Chrysler Dodge Plymouth H (Fits: 1978 Dodge Diplomat)
Brand New$15.96Free shipping79 sold3/8 Engine Exhaust Intake Manifold Head Stud Bolt Fits Chrysler Dodge Plymouth B (Fits: 1978 Dodge Diplomat)
Brand New$18.71Free shipping26 watchingWix 42997 Crankcase Breather Element NOS (Fits: 1978 Dodge Diplomat)
Brand New: WIX$3.50Trending at $7.84eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.$5.85 shippingDodge Auto Car Parts Vintage Exhaust Manifold Pipe Part (Fits: 1978 Dodge Diplomat)
New (Other): Dodge$44.99Top Rated Plus- Sellers with highest buyer ratings
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5 watchingHooker 10836HKR Header Gaskets - Hi-Temperature (Fits: 1978 Dodge Diplomat)
Brand New: HOOKER HEADERS$9.51Free shippingMr. Gasket 2059 Valve Cover Breather (Fits: 1978 Dodge Diplomat)
Brand New: Mr Gasket$10.42Was: $11.95Free shippingRight Exhaust Manifold Dorman For 1977-1979 Dodge Diplomat (Fits: 1978 Dodge Diplomat)
Brand New: Dorman$166.15Top Rated Plus- Sellers with highest buyer ratings
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Free shippingMagnaflow Catalytic Converter for 1978 Dodge Diplomat
MagnaFlow 94005-BCV Catalytic ConverterBrand New: MagnaFlow$119.00Estimated delivery dateEst. delivery Fri, May 24Magnaflow Catalytic Converter for 1978 Dodge Diplomat
MagnaFlow 94005-BCW Catalytic ConverterBrand New: MagnaFlow$119.00Estimated delivery dateEst. delivery Fri, May 24Magnaflow Catalytic Converter for 1978 Dodge Diplomat
MagnaFlow 94005-BCX Catalytic ConverterBrand New: MagnaFlow$119.00Estimated delivery dateEst. delivery Fri, May 24WIX 42997 Engine Crankcase Breather Element (Fits: 1978 Dodge Diplomat)
For Select 66-03 Chrysler Dodge Jeep Plymouth ModelsBrand New: WIX$13.99Was: $16.99Mopar Slant 6 170 198 225 REMFLEX Exhaust Manifold & Riser Gasket #6008 (Fits: 1978 Dodge Diplomat)
Brand New: Remflex$45.83Estimated delivery dateEst. delivery Fri, May 2442 soldTop Rated Plus- Sellers with highest buyer ratings
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Exhaust Manifold Gasket Fits 76-92 Chrysler Dodge Aspen B100 5.2L V8 OHV 16v (Fits: 1978 Dodge Diplomat)
Brand New$12.99Top Rated Plus- Sellers with highest buyer ratings
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Free shipping34 soldDODGE TRUCK-B/D/W-100-150-200-250-300-350--MOPAR-1974-1987- NEW-EGR VALVE (Fits: 1978 Dodge Diplomat)
Brand New: Tomco$21.95or Best Offer$6.98 shipping3 watchingFlowtech 99361FLT Header Gasket Set For 66-92 Chrysler Small Block LA 273-318 V8 (Fits: 1978 Dodge Diplomat)
Brand New: FLOWTECH$22.90Top Rated Plus- Sellers with highest buyer ratings
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Free shippingOnly 1 left!1977-1989 Dodge Chrysler Plymouth NOS MoPar Tail Pipe FRONT SUPPORT BRACKET (Fits: 1978 Dodge Diplomat)
New (Other): Mopar$29.95$8.56 shippingFits Dodge Mopar Twin Turbo Manifolds Headers T3T4 318 340 360 5.2L 5.9L Magnum (Fits: 1978 Dodge Diplomat)
Brand New$295.00Estimated delivery dateEst. delivery Fri, May 2493 watchingEngine Crankcase Breather Element-Filter Fram BA3632 CA3632 (Fits: 1978 Dodge Diplomat)
New (Other): Fram$7.99or Best OfferFree shipping3/8 Engine Exhaust Intake Manifold Head Stud Bolt Fits Chrysler Dodge Plymouth E (Fits: 1978 Dodge Diplomat)
Brand New$18.71Free shippingARP Header Bolt Kit 144-1102; 5/16"-18 x .750" Chromoly Hex for Chrysler 273-360 (Fits: 1978 Dodge Diplomat)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New: ARP$23.51Trending at $25.56eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOnly 1 left!Standard Motor Products V165 PCV Valve (Fits: 1978 Dodge Diplomat)
For Select 60-04 Chrysler Dodge Jeep Plymouth ModelsBrand New: Standard Motor Products$9.98Was: $12.99Fits 1980-1995 Chevrolet Camaro CARB Compliant Catalytic Converter 3322305-FBHB (Fits: 1978 Dodge Diplomat)
Brand New: MagnaFlow$560.00$18.99 shippingProform for Engine Dress-Up Kit Black Crinkle w/Blue MOPAR Logo Fits Small Blk (Fits: 1978 Dodge Diplomat)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Proform$265.40Top Rated Plus- Sellers with highest buyer ratings
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12 watchingStainless Exhaust Headers Fits Dodge Chrysler Plymouth Small Block 318 340 360 (Fits: 1978 Dodge Diplomat)
Brand New: Unbranded$278.99or Best OfferFree shipping13 watchingMagnaFlow Catalytic Converter 3322305: Universal, CARB Compliant (Fits: 1978 Dodge Diplomat)
Brand New: MagnaFlow$560.00Free shipping76-92 Exhaust Manifold Gasket For Chrysler 5.2L-5.9L V8 OHV 16v DNJ EG1153 (Fits: 1978 Dodge Diplomat)
Brand New$13.99Free shipping5/16 Engine Exhaust Intake Manifold Head Stud Bolt For Chrysler Dodge Plymouth A (Fits: 1978 Dodge Diplomat)
Brand New$20.39Free shippingPercys Header Gasket 67037; Graph-Flex Rect Port 1"x 1.625" for Chrysler 273-360 (Fits: 1978 Dodge Diplomat)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New: Percy's High Performance$19.99Free shipping13 soldExhaust Manifold Gasket Set Fel-Pro MS 90460 (Fits: 1978 Dodge Diplomat)
Brand New: Fel-Pro$16.77Was: $19.73or Best OfferFree shippingRemflex Exhaust Gasket Set Mopar 225 Slant-6 6008 (Fits: 1978 Dodge Diplomat)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Remflex$49.91Top Rated Plus- Sellers with highest buyer ratings
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Free shippingMr. Gasket 976 Header Bolts - 5/16-18 x 3/4 Inch Hex Head - Black Oxide (Fits: 1978 Dodge Diplomat)
Brand New: Mr Gasket$15.16Was: $18.95Free shippingDNJ IG1153B Intake Manifold Gasket For 76-90 Chrysler Dodge Aspen B100 5.2L OHV (Fits: 1978 Dodge Diplomat)
Brand New$999.99Top Rated Plus- Sellers with highest buyer ratings
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Free shippingACDelco Secondary Air Injection Pump Check Valve 19307616 19307616 (Fits: 1978 Dodge Diplomat)
Brand New: ACDelco$42.99Free shippingMr Gasket 358 Exhaust Manifold Gasket Set For 1968-91 Chrysler 340 360 LA V8 (Fits: 1978 Dodge Diplomat)
New (Other): Mr Gasket$24.95Free shipping81-82 DODGE DIPLOMAT 78-79 CHRYSLER LEBARON 81-82 PLYMOUTH GRAN FURY EGR VALVE (Fits: 1978 Dodge Diplomat)
New (Other): BWD Automotive$30.00Free shippingRemflex 6027 Exhaust Header Gaskets for Mopar Small Block V8 318, 340, 360 (Fits: 1978 Dodge Diplomat)
Fast and Free Shipping. Easy Returns. Great service.Brand New: Remflex$59.60or Best OfferFree shipping26 soldF5495C Victor Reinz Gasket Made In USA (Fits: 1978 Dodge Diplomat)
Brand New: Victor$6.21Top Rated Plus- Sellers with highest buyer ratings
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Free shipping2x 2.5'' Universal Catalytic Cat Converter High Flow Stainless Weld-On w/ Shield (Fits: 1978 Dodge Diplomat)
Brand New$34.99or Best OfferFree shippingExhaust Pipe Flange Gasket-2BBL Mahle F5495C (Fits: 1978 Dodge Diplomat)
Brand New: Mahle$7.97Free shippingDorman Exhaust Manifold Passenger Side Right for Chrysler Dodge Plymouth (Fits: 1978 Dodge Diplomat)
Order by Noon EST and this part ships today!Brand New$143.90Top Rated Plus- Sellers with highest buyer ratings
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Was: $190.95Free shippingOnly 2 leftSCE GASKETS 4069 Pro Copper Header Gaskets For Chrysler Small Block (Fits: 1978 Dodge Diplomat)
Brand New: SCE$50.34Free shipping5 watchingMr Gasket 2059 Breather/Oil Filler Cap (Fits: 1978 Dodge Diplomat)
Brand New: Mr Gasket$19.73Free shippingOnly 2 left3/8" Engine Exhaust Intake Manifold Head Stud Bolt For Chrysler Dodge Plymouth I (Fits: 1978 Dodge Diplomat)
Brand New$16.99Free shippingProform Exhaust Gasket 67929; Soft Conforming Aluminum for Chrysler 318-360 LA (Fits: 1978 Dodge Diplomat)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New: Proform$38.58Free shipping3/8" Engine Exhaust Intake Manifold Head Stud Bolt For Chrysler Dodge Plymouth J (Fits: 1978 Dodge Diplomat)
Brand New$16.20Free shipping51 soldDorman 66269 Brake Hydraulic Hose to Caliper Bolt Washer (Fits: 1978 Dodge Diplomat)
Brand New: Dorman$9.75Free shippingMr. Gasket Header Gaskets High-Temperature White Stock Port Fits Dodge SB LA (Fits: 1978 Dodge Diplomat)
Summit Racing - FAST Shipping - 60 Day Return PolicyBrand New: Mr Gasket$30.70$13.99 shippingEdelbrock Exhaust Gasket 7236 (Fits: 1978 Dodge Diplomat)
Summit Racing - FAST Shipping - 60 Day Return PolicyBrand New: Edelbrock$30.95$13.99 shippingFor 1977-1986, 1988 Dodge Diplomat Vapor Canister Filter WIX 11578KV 1978 1979 (Fits: 1978 Dodge Diplomat)
Brand New: WIX$15.86Free shippingRemflex 6003 Exhaust Header Gaskets, 1-1/16" x 1-25/32" Square End Ports (Fits: 1978 Dodge Diplomat)
Fast and Free Shipping. Easy Returns. Great service.Brand New: Remflex$49.09or Best OfferFree shippingExhaust Manifold 6CYL 198 3.7 & 225 3.7L Dodge Chrysler Plymouth Pickup Van Car (Fits: 1978 Dodge Diplomat)
Brand New: Aftermarket Products$199.95Free shipping64 soldFor 1978-1983 Dodge Diplomat 3.7L Exhaust Manifold Dorman 227IQ17 1979 1980 1981 (Fits: 1978 Dodge Diplomat)
Brand New: Dorman$432.87Top Rated Plus- Sellers with highest buyer ratings
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