Description
Product Overview
The SUNNER THINKEN Injector Gasket is engineered specifically for heavy‑duty Ram trucks, covering the 2500, 3500, 4500 and 5500 series from model years 2013 through 2023. Constructed from high‑grade carbon material, the gasket delivers exceptional heat resistance and corrosion protection, ensuring it maintains its shape and sealing capability even under extreme engine temperatures. Precision machining provides an optimal thickness that matches the original equipment specifications, creating a reliable barrier between the fuel injector and the mounting surface. Dimensions are compact at 1 x 0.2 x 1 inches and the unit weighs only 0.141 ounces, making it easy to handle during installation. The part replaces OEM numbers 04627714AA and 4627714AA, and it is ranked #21 in Automotive Replacement Fuel Injection Gaskets, reflecting its popularity among professionals.
Usage
This gasket is ideal for both professional mechanics and DIY enthusiasts who service Ram trucks in a garage, workshop, or on‑site fleet maintenance environment. It excels in applications where the engine is subjected to high thermal cycles, such as towing, off‑road driving, and heavy payload transport. By providing a secure, leak‑proof connection, it helps maintain proper fuel pressure, which is critical for engine performance and emissions compliance. The gasket’s vibration‑dampening properties also contribute to a quieter cabin experience, making it suitable for daily commuting as well as demanding work conditions.

Why Choose Us
SUNNER THINKEN is a recognized manufacturer in the automotive aftermarket, known for rigorous quality control and material science expertise. Each gasket undergoes a multi‑stage testing process that includes thermal cycling, compression set, and chemical resistance assessments to guarantee long‑term reliability. The carbon composition offers superior anti‑aging characteristics compared with traditional rubber or silicone alternatives, reducing the risk of premature failure. Our commitment to precise tolerances ensures a perfect fit, minimizing installation time and the need for additional adjustments. Backed by a comprehensive warranty, the product provides peace of mind for fleet managers and individual owners alike.
Key Features
- Carbon construction delivers heat resistance up to 350°C and excellent corrosion protection.
- Precision‑machined thickness ensures a leak‑free seal matching OEM specifications.
- Designed for Ram 2500‑5500 (2013‑2023) providing a direct, bolt‑for‑bolt replacement.
- Integrated vibration‑dampening reduces engine noise and prolongs component life.
- Easy installation with no special tools required, saving labor time.
FAQ
Is this gasket compatible with all Ram diesel engines?
It is compatible with the specified Ram 2500, 3500, 4500 and 5500 models from 2013 to 2023 that use the original part numbers 04627714AA or 4627714AA. Always verify your engine code before purchase.
Can I install the gasket myself?
Yes, the gasket is designed for straightforward installation. Clean the mounting surfaces, align the gasket, and torque the injector bolts to the manufacturer’s specifications.
What makes carbon a better material than rubber for this application?
Carbon offers higher temperature tolerance, superior resistance to fuel and oil chemicals, and maintains its shape longer under compression, which translates to a more durable seal.
Will this gasket reduce engine vibration?
The gasket’s built‑in shock‑absorption layer helps dampen vibrations transmitted from the injector to the engine block, resulting in a quieter operation.
Do you offer a warranty on this product?
Yes, SUNNER THINKEN provides a limited warranty covering manufacturing defects for a period of 12 months from the date of purchase.





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