Exhaust & Emission Systems for Peterbilt 378
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Heavy Duty EGR Valve for 2004-2007 ISX Cummins Peterbilt Western Star 4955422RX (Fits: Peterbilt 378)
Brand New: Unbranded$178.00or Best OfferFree shippingHeavy Duty EGR Valve Fits Kenworth T600A T800 W900 T800 4955422RX 4955422 (Fits: Peterbilt 378)
Brand New: OE+$205.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingNew Heavy Duty EGR Valve for ISX 2004-07 Cummins Peterbilt Western Star 3682805 (Fits: Peterbilt 378)
Brand New: OE Quality Friction$290.90or Best OfferFree shippingHeavy Duty EGR Valve for 2003-2007 Peterbilt 379 Engine Desg. ISX 15.0 3104874 (Fits: Peterbilt 378)
Brand New: Unbranded$178.00or Best OfferFree shippingHeavy Duty 5" Aluminized Y-Pipe For Peterbilt 1987-2007 377 378 379
Brand New$1,185.90Free shippingOnly 1 left!WIX 51637 Power Steering Filter (Fits: Peterbilt 378)
Sold Individually - Fast Free ShippingBrand New$29.99Was: $39.99Free shippingHeavy Duty EGR Valve 3104874 3682805 4955422RX for ISX 2004-2007 Cummins (Fits: Peterbilt 378)
Brand New: OE Quality Friction$199.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping31 soldDorman DPF Diesel Particulate Filter For Freightliner / Kenworth / Peterbilt (Fits: Peterbilt 378)
Brand New: HD Solutions$999.95or Best Offer$200.00 shippingOnly 1 left!14-15501 Peterbilt 357,378,379 Aluminized Exhaust Elbow PB-15501 PACAR
Brand New: Paccar$500.00or Best Offer$36.91 shippingFits 1988-2007 Peterbilt 378 Exhaust Brake Actuator Dorman 1989 1990 1991 1992
Brand New: Dorman$121.28Top Rated Plus- Sellers with highest buyer ratings
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Free shippingFits 2007 Peterbilt 378 Exhaust Pipe Bellow Dorman 268JZ85
Brand New: Dorman$200.17Top Rated Plus- Sellers with highest buyer ratings
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Free shippingNew Heavy Duty EGR Valve for ISX 2004-07 Cummins Peterbilt Western Star 3682805 (Fits: Peterbilt 378)
Brand New: OE Quality Friction$205.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingNew Heavy Duty EGR Valve For ISX 2004-2007 Cummins Kenworth Engine Desg ISX 15.0 (Fits: Peterbilt 378)
Brand New: OE Quality Friction$214.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingHeavy Duty EGR Valve For Kenworth T600A T800 W900 T800 4955422RX NEW (Fits: Peterbilt 378)
Brand New: OE Quality Friction$192.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingHeavy Duty EGR Valve For Cummins ISX 2004-2007 12.7L 14.0L 14.9L l6 3104874 (Fits: Peterbilt 378)
Brand New: OE Quality Friction$195.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingEGR Valve for 2004-2007 ISX Cummins Peterbilt Western Star 3683305 3683446 (Fits: Peterbilt 378)
Brand New: Unbranded$176.00or Best OfferFree shippingDorman 674-6021 Exhaust Bellow Pipe fits Kenworth and Peterbilt models (Fits: Peterbilt 378)
12.50 In. Length; 4 In. I.D. inlet; 4 In. I.D. outletBrand New: Dorman$338.54Top Rated Plus- Sellers with highest buyer ratings
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Heavy Duty EGR Valve for 2004-2007 Cummins ISX Peterbilt Western Star 3682805 (Fits: Peterbilt 378)
Brand New: OE Quality Friction$209.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingAPDTY 161441 Heavy Duty Air Brake Pressure Sensor (Fits: Peterbilt 378)
Premium Quality Materials For Long Trouble Free LifeBrand New: APDTY$89.38Free shippingHeavy Duty EGR Valve 3104874 3682805 for ISX 2004-2007 Cummins 12.7L 14.0L 14.9L (Fits: Peterbilt 378)
Brand New: OE Quality Friction$195.50Top Rated Plus- Sellers with highest buyer ratings
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Was: $230.00or Best OfferFree shippingFIT 07-17 KENWORTH PETERBILT ISX 11.9 15 PX9 EXHAUST FLEX PIPE 12.5 X 3.25 INCH (Fits: Peterbilt 378)
12 MONTH WARRANTY- *SEE IMPORTANT FITMENT DETAIL BELOW*Brand New: HD Solutions$411.83Dorman 674-6018 Exhaust Bellow Pipe fits Kenworth and Peterbilt models (Fits: Peterbilt 378)
12.50 In. Length; 3.50 In. I.D.Brand New: Dorman$364.57Top Rated Plus- Sellers with highest buyer ratings
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Heavy Duty EGR Valve 4955422RX for 2004-07 ISX Cummins Peterbilt Western Star (Fits: Peterbilt 378)
Brand New: OE Quality Friction$193.70Top Rated Plus- Sellers with highest buyer ratings
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Was: $298.00or Best OfferFree shipping24 soldExhaust Gas Differential Pressure Sensor Dorman For 2007 Peterbilt 378 (Fits: Peterbilt 378)
Brand New: Dorman$180.48Top Rated Plus- Sellers with highest buyer ratings
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Free shippingEngine Crankcase Breather Element-DIESEL, Turbo Wix WS10124 (Fits: Peterbilt 378)
Brand New: WIX$78.99Free shippingBaldwin CV15000 Crankcase Breather (Fits: Peterbilt 378)
Sold Individually - Fast Free ShippingBrand New: Baldwin$76.99Was: $112.99Variable Pressure Output Device Dorman For 2003-2005 Peterbilt 378 12.7L L6 (Fits: Peterbilt 378)
Brand New: Dorman$431.85Top Rated Plus- Sellers with highest buyer ratings
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Free shippingEGR Valve Dorman For 2003-2006 Peterbilt 378 (Fits: Peterbilt 378)
Brand New: Dorman$705.29Top Rated Plus- Sellers with highest buyer ratings
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Free shippingHeavy Duty EGR Valve Fit 2003-2006 Freightliner FLD 120 Engine Desg 3683305 (Fits: Peterbilt 378)
Brand New: Unbranded$177.00or Best OfferFree shippingDorman Variable Pressure Output Device Fits 2003-2005 Peterbilt 378 12.7L L6 (Fits: Peterbilt 378)
Brand New: Dorman$432.71Top Rated Plus- Sellers with highest buyer ratings
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Free shippingFits 1998-1999 Peterbilt 378 Exhaust Manifold Dorman 268BB45
Brand New: Dorman$672.64Top Rated Plus- Sellers with highest buyer ratings
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EGR Valve Dorman For 2003-2006 Peterbilt 378 (Fits: Peterbilt 378)
Brand New: Dorman$659.12Top Rated Plus- Sellers with highest buyer ratings
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Free shippingFor 2003-2005 Peterbilt 378 12.7L L6 Variable Pressure Output Device Dorman 2004
Brand New: Dorman$432.42Top Rated Plus- Sellers with highest buyer ratings
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Free shippingFor 2007 Peterbilt 378 Diesel Particulate Filter Gasket Dorman 68848DFNK (Fits: Peterbilt 378)
Brand New: Dorman$54.35Free shippingHeavy Duty EGR Valve 736544310 for Cummins ISX 2004-2007, 12.7L, 14.0L, 14.9L l6 (Fits: Peterbilt 378)
Brand New$259.77or Best OfferFree shippingBushing For Cummins V378 V504 V555 V903 VT8 VTA903 N14 CELECT 87L 68365
Brand New$25.99$19.00 shippingEngine Crankcase Breather Element-DIESEL, Turbo Wix WS10124 (Fits: Peterbilt 378)
Brand New: WIX$103.73For 2007 Peterbilt 378 Diesel Particulate Filter Gasket Dorman 76532KWZC (Fits: Peterbilt 378)
Brand New: Dorman$95.34Free shippingDorman 892WG49 Exhaust Manifold Fits 1998-1999 Peterbilt 378 (Fits: Peterbilt 378)
Brand New: Dorman$673.44Top Rated Plus- Sellers with highest buyer ratings
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Free shippingNew ListingDorman 904-5001 Heavy Duty Egr Valve (Fits: Peterbilt 378)
Brand New: Dorman$865.21Was: $1,409.40or Best OfferFree shippingNEW! Exhaust Pipe Bellow Dorman 674-6018! Fit for Kenworth 2018-07, Peterbilt 20 (Fits: Peterbilt 378)
Brand New: HD Solutions$579.99or Best OfferFree shippingFor 2007 Peterbilt 378 Diesel Particulate Filter Gasket Dorman 41296ZRQX (Fits: Peterbilt 378)
Brand New: Dorman$95.48Free shippingFIT 07-18 KENWORTH PETERBILT ISX 11.9 15 PX9 MX13 EXHAUST FLEX PIPE KIT (Fits: Peterbilt 378)
12 MONTH WARRANTY- *SEE IMPORTANT FITMENT DETAIL BELOW*Brand New: HD Solutions$443.48FITS 1983-2020 CUMMINS ISX 15.0 ISB 6.7 ISM 10.8 4 INCH V-BAND EXHAUST CLAMP (Fits: Peterbilt 378)
12 MONTH WARRANTY- *SEE IMPORTANT FITMENT DETAIL BELOW*Brand New: HD Solutions$55.05Exhaust Brake Actuator Dorman 904-7125 (Fits: Peterbilt 378)
Brand New: HD Solutions$120.76Top Rated Plus- Sellers with highest buyer ratings
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Free shippingAPDTY 143084 EGR Cooler V-Band Clamp 3683144 (Fits: Peterbilt 378)
Premium Quality Materials For Long Trouble Free LifeBrand New: APDTY$70.54Free shippingDorman 674-6018 Exhaust Bellow Pipe For Select 07-18 Kenworth Peterbilt Models (Fits: Peterbilt 378)
Sold Individually - Fast Free ShippingBrand New: HD Solutions$406.99Was: $496.99FITS 2007-2011 CUMMINS ISX 15.0 ISX 14.9 ENGINE WITH 07 EPA STANDARD EGR COOLER (Fits: Peterbilt 378)
12 MONTH WARRANTY- *SEE IMPORTANT FITMENT DETAIL BELOW*Brand New: HD Solutions$2,009.64674-2011 Dorman Diesel Particulate Filter for American LaFrance ALF Eagle Axess
Brand New: Dorman$1,275.00$29.95 shippingFIT 2007-2017 CUMMINS ISX 15.0 ENGINE PARTICULATE FILTER GASKET V-BAND CLAMP KIT (Fits: Peterbilt 378)
12 MONTH WARRANTY - SEE IMPORTANT FITMENT INFORMATIONBrand New: HD Solutions$275.71APDTY 159242 Heavy Duty Exhaust Gas Recirculation Valve (Fits: Peterbilt 378)
Premium Quality Materials For Long Trouble Free LifeBrand New: APDTY$977.48Free shippingFor 2007 Peterbilt 378 Diesel Particulate Filter Dorman 92886XTBR (Fits: Peterbilt 378)
Brand New: Dorman$2,200.25Male Adapter Elbow For Cummins V378 V504 V555 V903 VT8 N855 NT 14L 142429
Brand New$19.90$19.00 shippingFITS 2003-2006 CUMMINS ISX 15.0L ENGINE EXHAUST GAS RECIRCULATION EGR VALVE (Fits: Peterbilt 378)
12 MONTH WARRANTY - SEE IMPORTANT FITMENT INFORMATIONBrand New: HD Solutions$768.22Dorman DPF Diesel Particulate Filter For Freightliner / Kenworth / Peterbilt (Fits: Peterbilt 378)
Brand New: HD Solutions$1,024.95or Best Offer$200.00 shipping10 watching