Turbocharger 8-98182-491-0 for Isuzu 4HK1-XYGD04 Diesel Engine


The premiumturbocharger 8-98182-491-0 is designed for Isuzu 4HK1-XYGD04 diesel engines, restoring factory boost, engine power, and fuel efficiency for heavy-duty truck and industrial applications.

$359.65

Vin / Engine Serial Number

Please provide VIN / ESN for identification of correct parts

The turbocharger 8-98182-491-0 is a high-quality replacement turbocharger engineered specifically for Isuzu 4HK1-XYGD04 diesel engines, a variant of the proven 4HK1 family used in trucks, buses, and industrial equipment. Built to meet or exceed OEM standards, this turbocharger restores the engine’s original boost pressure, ensures efficient airflow, and delivers reliable performance under demanding operating conditions.

Precision-balanced internal components help reduce vibration and minimize turbo lag, resulting in smoother acceleration and improved throttle response. The rugged turbine housing and heat-resistant construction provide extended durability, even under prolonged heavy-load use typical of commercial haul, delivery, and fleet vehicles.

Repairing or upgrading a worn or failing turbocharger with the 8-98182-491-0 model helps eliminate common engine issues such as reduced power output, excessive exhaust smoke, poor fuel economy, and sluggish response. It also supports proper combustion, helping maintain emission compliance and extending overall engine life.

Designed for direct-fit installation, it uses the factory mounting points of the Isuzu 4HK1-XYGD04 engine without modification, making it suitable for mechanics, fleet service professionals, and DIY enthusiasts alike. Whether you’re maintaining a busy fleet or restoring performance after years of use, this turbocharger delivers consistency, reliability, and long-term value.


Key Features & Benefits

  • Direct-fit turbocharger replacement for Isuzu 4HK1-XYGD04

  • OEM part number 8-98182-491-0

  • Restores engine boost and peak performance

  • Precision-balanced rotating assembly for smooth operation

  • Heavy-duty construction for high-temperature, high-load use

  • Improves throttle response, fuel economy, and emissions

  • Reduces turbo lag and excessive exhaust smoke

  • Ideal for trucks, buses, and industrial equipment


Engine Compatibility

  • Isuzu 4HK1-XYGD04 Diesel Engine


Vehicle / Equipment Applications

  • Trucks equipped with Isuzu 4HK1-XYGD04 engines

  • Buses and commercial vehicles powered by Isuzu 4HK1 variants

  • Industrial and fleet applications using the 4HK1-XYGD04 engine

(Exact fitment depends on vehicle/engine option; always verify compatibility before installation.)

Frequently Asked Questions

Q1: Which engine is this turbocharger compatible with?
A: This turbocharger fits the Isuzu 4HK1-XYGD04 diesel engine.

Q2: What part number does this replace?
A: It replaces the OEM turbocharger part number 8-98182-491-0.

Q3: What are common signs of a failing turbocharger?
A: Reduced power, excessive exhaust smoke, sluggish throttle response, and decreased fuel economy.

Q4: Is this a direct-fit replacement?
A: Yes, it is designed for direct installation using factory mounting points without modification.

Q5: Should installation be done professionally?
A: Yes, professional installation is recommended to ensure proper fitment and long-term reliability.