1978 GMC P-Series Parts

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    • (2 reviews)
      # 743282112
      GMC P-Series 1978, RedTop™ Battery by Optima®. Battery Type: AGM. Battery Usage: Starting. Polarity: Straight. Resistance: 0.003 Ohms. Voltage: 12V. Enjoy the most powerful burst of cranking current for the fastest, most reliable...
      Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design
      $232.99 - $242.99
    • (0 reviews)
      # 170517063
      GMC P-Series Standard Cargo Van / Stripped Chassis 1978, Problem Solver™ Front Coil Springs by MOOG®. Quantity: 2 per Pack. Upgrade your vehicle to MOOG coil springs that are designed to restore the original handling, reduce body sway...
      Direct fit, with no modificationsRestores and retains proper handling
      $58.26 - $92.03
    • (0 reviews)
      # 700718641
      GMC P-Series 1978, C-Tek™ Standard Vented Brake Rotor by Centric®. Quantity: 1 Per Pack. Manufactured using quality G11H18 metallurgy and designed with a non-directional finish, this rotor provides superior braking power, high...
      OE style replacement rotorNon-directional finish
      $36.84 - $80.17
    • (0 reviews)
      # 90640790
      GMC P-Series 1978, Engine Long Block by Replace®. If your engine is worn out, don’t just get a rebuilt engine, get one that’s better than new. A Replace engine is reverse engineered to eliminate original factory defects,...
      Designed to be better than newReverse engineered to ensure any factory defects are eliminated
      $1,426.73 - $2,328.15
    • (0 reviews)
      # 114827402
      GMC P-Series 1978, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...
      Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
      $38.69 - $59.59
    • (0 reviews)
      # 57026525
      GMC P-Series 1978, Engine Coolant Radiator by APDI®. Construction: Plastic Tank Aluminum. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this...
      Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
      $80.08 - $162.36
    • (0 reviews)
      # mpn114073728
      GMC P25 / P35 1978, Fuel Tank by Spectra Premium®. Volume: 30 Gallons. This product is designed and manufactured under ISO 9001 / TS 16949 quality system for use with diesel containing up to 5% bio diesel (B5) and gasoline containing up...
      Designed for use with gasoline containing up to 20% ethanol (E20) and diesel containing up to 5% bio diesel (B5)Meets or exceeds manufacturer's specifications
      $208.23
    • (0 reviews)
      # 717843211
      GMC P-Series 1978, Front Steering Idler Arm by Mevotech®. Quantity: 1 per Pack. If you need to restore your vehicle to its original steering efficiency, go with Mevotech steering parts to keep on the safe side. Get connected to the road...
      OE-quality replacement to stabilize your vehicleWill help restore accurate steering and quick response
      $10.38 - $17.17
    • (0 reviews)
      # 57088289
      GMC P-Series 1978, Premium™ U-Joint by MOOG®. Upgrade your vehicle to MOOG and experience a safe and comfortable ride. The parts are made tough to ensure reliable operation even under extreme conditions. Thanks to the advanced design...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $8.43 - $20.50
    • (0 reviews)
      # mpn271627
      GMC P15 / P25 / P35 1978, Remanufactured Front Windshield Wiper Motor by A1 Cardone®. Without Washer Pump. Connector Type: 3 Blade Terminals. Mounting Type: Grommet. Number of Mounting Holes: 3. Domestic. With Instruction Sheet. Each...
      100% Load Testing ensures guaranteed performance every timeBrushes are precisely designed to ensure armature and contacts are properly matched
      $42.27
    • (0 reviews)
      # 801595484
      GMC P-Series with Factory Compressor Type R4 with 12 O'Clock Coil 1978, GM Original Equipment™ A/C Compressor by ACDelco®. Non Switch Type. With O-Rings. Number of Grooves: 1. Built for trouble-free ownership and 100% visual- and...
      100 percent visual- and leak-tested to ensure component’s quality and durabilityProfessional, premium aftermarket replacement
      $140.01
    • (0 reviews)
      # 783162341
      GMC P-Series Standard Transmission 1978, OEM Clutch Kit by EXEDY®. Does not Include: Flywheel. Input Shaft Spline: 1 1/8" x 10 Teeth. Replace your failing OEM clutch with a new, OEM-quality EXEDY clutch assembly. EXEDY is a Tier 1...
      Manufactured on same production line as original equipment clutch componentsMeets or exceeds OEM standards
      $146.49 - $205.52
    • (0 reviews)
      # 124363492
      GMC P-Series with Coil Package 1978, Ignition Coil by Spectra Premium®. Spectra Premium ignition coils are designed and produced under a strict TS16949 quality control process. In our online store you can get this superior replacement...
      All ignition coils are durability tested at 100 cycles of thermal shock (-50 to 300° F), to ensure reliability from extreme vibration24 hours salt spray test ensures sensors provide high corrosion resistance
      $9.46 - $10.07
    • (0 reviews)
      # 588447921
      GMC P-Series 1978, GM Original Equipment™ PCV Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.12 - $6.81
    • (0 reviews)
      # 481388408
      GMC P-Series 1978, Professional™ Durapack Air Filter by ACDelco®. Designed utilizing the latest technology, this Professional™ Durapack Air Filter by ACDelco features premium quality and will perform better than advertised. Perfect...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.01 - $9.05
    • (3 reviews)
      # 681876164
      Universal API-Licensed™ Multi-Grade High Performance Motor Oil by Royal Purple®. Royal Purple's API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance synthetic oil that...
      Designed for diesel and gasoline enginesAPI-licensed product
      $8.49 - $1,800.08
    • (0 reviews)
      # mpn4477225490
      30 lbs. Refillable Cylinder Enviro Tank by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Made with precision and quality in mindBuilt to last
      $205.62
    • (0 reviews)
      # mpn358591699
      GMC P-Series THM400 Transmission 1978, TH400 Transmission Tech Manual by TCI®, 1 Piece. These technical manuals provide detailed diagrams and instructions for the do-it-yourself transmission builder. Included are torque specs,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $43.30
    • (2 reviews)
      # mpn1728321
      Showroom Shine by Dr. Beasley's®. For a jaw-dropping effect on the road or on the sidewalk, go with this complete kit by Dr. Beasley's that includes everything needed for cleaning, preparing, and protecting your whole car from the...
      Makes your car look like it just left the showroom floorCombination of interior and exterior prescriptions
      $499.99
    • (0 reviews)
      # 63459404
      GMC P-Series 1978, Starter by Remy®. Rotation: Clockwise. With 9-Tooth Pinion Gear. Voltage: 12V. Starters are made for the aftermarket with the same precision as the best original equipment components. Designed to fit perfectly and...
      Features the most compact design on the marketEnsures less friction and excellent performance
      $33.51 - $107.03
    • (0 reviews)
      # 767815370
      GMC P-Series 1978, Professional™ Driver or Passenger Side Non-Adjustable Shock Absorber by ACDelco®. Quantity: 1 per Pack. ACDelco Professional Premium Gas-Charged Shocks offer the superior ride of a Premium Gas-Charged Shock with...
      RoadResponse™ Technology helps respond to changing road conditions with motion-sensitive valvingRoadResponse™ Technology provides a more comfortable ride during normal driving conditions
      $23.36 - $29.91
    • (0 reviews)
      # 34017263
      GMC P-Series 1978, Posi Quiet™ Premium Ceramic Front Disc Brake Pads by Centric®. These pads are manufactured using the positive molding process to assure consistent friction material density throughout the pad for excellent braking...
      Stable friction performance across a wide temperature rangeLongest wearing most advanced material available
      $24.10
    • (0 reviews)
      # 191722942
      GMC P-Series 1978, Cylinder Head by Replace®. If your vehicle has a cylinder head problem, don’t waste time and money having your originals repaired. This premium product is the best way to go for those looking for the highest quality...
      Completely disassembled, thoroughly cleaned, and carefully inspectedChecked for cracks
      $240.72 - $420.24
    • (0 reviews)
      # 710715570
      GMC P-Series 1978, Cast Iron Exhaust Manifold by ATP®. Emissions: EPA compliant. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $64.43 - $102.05
    • (0 reviews)
      # 64140500
      GMC P-Series 1978, Replacement Water Pump by GMB®. Rotation: Standard. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers, mechanical seal kits and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $19.44 - $125.91
    • (0 reviews)
      # 765327444
      GMC P15 / P25 / P35 1978, Fuel Tank by Replace®. If you’re in need of a fuel tank, don’t pay the high dealer price for a replacement, when you can get an OE quality fuel tank for much less from Replace.
      Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
      $112.72 - $269.22
    • (0 reviews)
      # mpn4415512430
      GMC P35 With Motorhome Chassis 1978, Professional™ Front Steering Damper by ACDelco®. Quantity: 1 per Pack. Quality ACDelco Professional Dampers and Stabilizers manufactured to ensure fit, performance and customer satisfaction....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $24.70
    • (0 reviews)
      # 31615737
      GMC P15 with 8.875" Ring Gear 1978, Axle Shaft by Dorman®. All Axle Shafts are constructed of high-quality steel for long-lasting durability. Keep your axle assembly in tip-top shape by swapping out your malfunctioning part with this...
      Quality tested to ensure trouble free installation, performance, and durabilityDirect replacement for a proper fit every time
      $114.95
    • (0 reviews)
      # 175665363
      GMC P-Series 1978, Replacement Horn by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $17.05 - $18.57
    • (0 reviews)
      # mpn615744459
      GMC P15 / P25 / P35 with Factory Compressor Type R4 1978, Steel A/C Compressor Clutch by Four Seasons®. Black. With Switch. Material: Steel. Number of Grooves: 1. Spade Connector. Clutch Diameter: 5.5". All products are engineered and...
      All mounting hardware includedEvery coil tested for proper ohms
      $122.18




    To make sure your vehicle stays in top shape, check its parts for wear and damage at regular intervals and replace them in time. When you are in need of a reliable replacement part for your 1978 GMC P-Series to restore it to 'factory like' performance, turn to CARiD's vast selection of premium quality products that includes everything you may need for routine maintenance and major repairs. All 1978 GMC P-Series repair parts on offer are designed to provide high quality, performance, and long-lasting service life at an economical price.

    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Air Intake Parts
      July 23, 2018
      When Is It Time To Replace My Air Filter?
      You likely know that today's automobile engines run on an air/fuel mixture that is precisely metered for optimum combustion, power, and fuel efficiency. But did you...
      by Timothy Zahl
    • Engine Parts
      July 17, 2018
      When Is It Time To Replace My Engine Accessory...
      As their name suggests, accessory belts take rotational power from the engine's spinning crankshaft and transfer it to various pumps that run devices and accessories...
      by Richard Reina
    • Suspension Parts
      July 11, 2018
      When Is It Time To Replace My Suspension Bushings?
      Maybe you remember being pushed along in a wheelbarrow during childhood. The ride was bone-jarring - even with an air-filled rubber tire cushioning against the rough...
      by Timothy Zahl
    • Engine Parts
      July 06, 2018
      When Is It Time To Replace My Engine Timing Belt?
      A timing belt is a toothed belt made of reinforced rubber that rides on sprocket wheels. Driven by the engine's crankshaft pulley, a timing belt provides rotational...
      by Michael Grayen
    • Replacement Suspension Parts
      July 05, 2018
      When Is It Time To Replace My Shock Absorbers?
      Shock absorbers are suspension components that dampen and halt the up-and-down movement of your vehicle's springs. If these control devices weren't part of the...
      by Timothy Zahl
    • Ignition Parts
      July 04, 2018
      When Is It Time To Replace My Spark Plugs?
      Spark plugs are a key ingredient of gasoline engines when it comes to serving up a dish of solid power. More specifically, they conduct electricity derived from the...
      by Richard Reina
    • A/C and Heating Parts
      June 25, 2018
      When Is It Time To Replace My Cabin Air Filter?
      If you own a car or truck built since the early 1990s, the HVAC (heating, venting & air conditioning) system which provides heated and cooled air to the vehicle’s...
      by Michael Grayen
    • Oils, Fluids, Lubricants
      June 23, 2018
      When Is It Time To Replace My Car’s Brake Fluid?
      When it comes automotive maintenance items, changing a vehicle's brake fluid is probably not at the top of anyone's mind. But it should be, because there are important...
      by Timothy Zahl
    • Performance Engine Cooling
      June 13, 2018
      When Is It Time To Replace My Coolant Hoses?
      Carmakers do not consider coolant hoses a routine maintenance item, so it follows that there can be a lack of guidance about how often these hoses should be replaced....
      by Timothy Zahl
    • Engine Parts
      June 11, 2018
      When Is it Time To Replace My Engine Thermostat?
      When you consider that temperatures within an engine's combustion chambers reach over 2,000 degrees Fahrenheit, it's a marvel to consider how effective engine cooling...
      by Michael Grayen
    • Engine Parts
      May 21, 2018
      How To Remove An Engine
      If you've grown tired of your engine's declining performance, inconsistent power, rough idle, exhaust smoke, knocking noises, rattles, and other maladies that plague...
      by Richard Reina
    • Engine Parts
      May 09, 2018
      How Does An Internal Combustion Engine Work?
      An engine that uses liquid fuel to create energy, such as an internal combustion engine, is basically a large air pump. Cool air is drawn in, mixed with the fuel of...
      by Timothy Zahl

    Popular Products



    1978 GMC P-Series Parts Reviews

    Average rating:  4.5  4.5 - 2 reviews
    4 of 5
    Dynatech® - Polished Street Rod Small Block Block Hugger Exhaust Header
    I Have a 1967 El Camino, I was not able to use these on mine for some reason the collector would hit my cross member on both sides. I have a Chevy 350 motor. I wish they would fit, they look great.
    Posted by Don Coulter (Corona, CA) / December 28, 20161967 Chevy El Camino
    Was this review helpful for you? Yes
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