Genuine Parts. Lowest Prices. Compatibility Guaranteed.

Bulk Order
Search Bar 3
Air Intake & Fuel Delivery
Brakes
Cooling Systems
Engine Components
Gaskets
Lighting
Suspension & Steering
Wheels, Tires & Parts
Interior Accessories
Exterior Accessories
Home Categories Engines & Components Pistons, Rings, Rods & Parts GM 55598378

Engine Piston - GM (55598378)

Engine Piston - GM (55598378)

Engine Piston - GM (55598378)

  • MSRP: $84.51
  • Discount: $29.57 (35% off)
  • Sale Price: $54.94
OR
Ships To
Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    55598378

  • Other Names:

    Piston

  • Description:
    GM Genuine Parts Engine Piston (Part Number: 55598378) is a factory piston assembly built to GM engineering standards to ensure proper fit and reliable performance within the engine. It supports sealing and compression control in the combustion chamber.
    • Type: Piston Assembly
    • Function: Transmits combustion energy to the crankshaft and works with rings to maintain compression
    • Benefits: OEM-grade manufacturing tolerances designed for durability and consistent engine operation
    • Also known as: Piston
    • Service Type: Underhood
    • Part Category: Engine Component Parts
    • Line #: 51

    Shop World Parts Direct — a U.S. registered company providing great prices, a compatibility guarantee, OEM-quality parts, and expert technical support backed by warranty.
  • Condition: New
  • Notes: Includes One Piston W/Pin.
  • Applications: 1.6L DIESEL.
Warning WARNING: California Proposition 65

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Next Day Parts

Welcome to nextdayparts.com — home of the Low-Price and Right-Part Guarantee. We offer genuine OEM parts for General Motors and MOPAR vehicles, shipped directly to your door. Enjoy unmatched convenience, incredible savings, and reliable, human support. 

Every part we sell is brand new, in the manufacturer’s original packaging, and backed by the full factory warranty. These are the exact same parts installed at the factory — no substitutes, no guesswork.

Whether you're ordering for routine maintenance, collision repair, or a full restoration, our expert team is here to help. We offer a free compatibility guarantee when a VIN is provided, ensuring you get the right part the first time.

Have questions? Our parts professionals are ready to assist by phone, text, or email. We ship to more than 220 countries worldwide and are proud to serve both everyday drivers and automotive professionals.

GM

Shop authentic OEM MOPAR & GM products. Keep your vehicle running at its best by using only authentic OEM parts.