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TGK Motorsport High Pressure Fuel Pump Seal Rebuild Kit - 4.2L(EA824) / 6.3L (EA398)
TGK Motorsport High Pressure Fuel Pump Seal Rebuild Kit - 4.2L(EA824) / 6.3L (EA398)
TGK Motorsport High Pressure Fuel Pump Seal Rebuild Kit - 4.2L(EA824) / 6.3L (EA398)
TGK Motorsport High Pressure Fuel Pump Seal Rebuild Kit - 4.2L(EA824) / 6.3L (EA398)
  • SKU: TGK-0308-10
  • Availability: In stock Usually ships within 5-7 Days Special Order 4-6 Weeks

TGK Motorsport High Pressure Fuel Pump Seal Rebuild Kit - 4.2L(EA824) / 6.3L (EA398)

$94.00

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DESCRIPTION
Overview Over time, the factory high-pressure fuel pump (HPFP) seals in Audi 4.2L EA824 and 6.3L EA398 engines degrade, leading to fuel leaks, pressure loss, and performance inconsistencies. Additionally, upgrading to larger HPFP pistons—often used in high-performance applications—can cause the OEM seal to tear, resulting in fuel seepage and oil dilution inside the motor. The TGK Motorsport HPFP Seal Rebuild Kit is designed to fix factory leaks, replace torn seals from HPFP upgrades, and restore fuel system integrity. Whether you're performing preventative maintenance or modifying your engine for more power, this kit ensures optimal HPFP operation and long-term reliability. Specifications
Engine Compatibility Audi 4.2L EA824 / 6.3L EA398
Seal Material Molybdenum Disulfide
Application High Pressure Fuel Pump
Installation Direct Fit Replacement
Kit Contents 2x Base Seal Kits, 2x Cam Follower Guides
Features & Benefits ✓ Fixes Common Factory HPFP LeaksDirect replacement for failing OEM seals that cause fuel seepage and pressure drops. ✓ Prevents HPFP Upgrade Seal TearingReinforced seals withstand increased pressure from larger piston kits. ✓ Molybdenum Disulfide ConstructionEnhanced durability, superior friction resistance, and improved longevity under extreme conditions. ✓ Restores Fuel Pressure & ReliabilityPrevents fuel seepage, pressure drops, and cold start issues for consistent performance. ✓ Performance & Maintenance SolutionIdeal for both daily-driven and high-horsepower builds with ethanol-tuned setups. ✓ Direct Fit InstallationNo modifications required, works seamlessly with your OEM HPFP system. Frequently Asked Questions What are the symptoms of HPFP seal failure? Common symptoms include fuel smell inside the motor, cold starting issues, warm starting issues, and potential fuel leaks in the engine bay. Will this kit work with aftermarket HPFP piston upgrades? Yes, the reinforced seals are specifically designed to withstand the increased pressure from larger aftermarket piston kits that often cause OEM seals to tear. What's included in the rebuild kit? The kit includes 2x Base Seal Kits with bottom collars and integrated seals, plus 2x Cam Follower Guides for smooth camshaft interaction. Is this compatible with ethanol fuel setups? Yes, the Molybdenum Disulfide seals are performance-proven and tested in real-world applications, including ethanol-tuned setups. Do I need modifications to install this kit? No modifications are required. This is a direct fit replacement that works seamlessly with your OEM HPFP system.
DOCUMENTS
AVAILABILITY

Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details. 

In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.

Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.

Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary. 

If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h. 

WARRANTY

12 Months

All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.

* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com

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