640381 Russell Automotive Adapter Fitting -6 AN To 5/8 Inch - 18
640381 Russell Automotive Adapter Fitting -6 AN To 5/8 Inch - 18
Hurry up, only 4 items left in stock.
Couldn't load pickup availability
640381 Russell Automotive Adapter Fitting -6 AN To 5/8 Inch - 18
Enhance your automotive performance with the 640381 Russell Automotive Adapter Fitting, meticulously crafted to ensure seamless compatibility with Russell stainless steel or ProClassic hoses. This adapter fitting is engineered for precision and reliability, making it an essential addition to any high-performance vehicle.
Key Features:
- Precision Machined: Guarantees precise thread engagement for a secure and reliable fit.
- Lightweight Aluminum: Constructed to perfectly align with all Russell Performance Hose and Hose Ends.
- 37 Degree Sealing Angle: Provides a positive seal even under maximum operating pressure, ensuring optimal performance.
- Quick and Easy Installation: Designed for hassle-free installation that saves you time and effort.
- Various Finishes Available: Customize your fitting with options including red/blue anodized, endurashine, or black to match your engine compartment aesthetics.
- Limited 1 Year Warranty: Backed by a warranty that ensures quality and durability over time.
Specifications:
- Fitting Angle: Straight
- End Type 1: Male Threads
- End Size 1: 3/8 Inch (-6 AN)
- End Type 2: Male Inverted Flare
- End Size 2: 5/8 Inch-18
- Fitting Type: Inverted Flare
- Finish: Endurashine
- Color: Silver
- Material: Aluminum
Upgrade to the 640381 Russell Automotive Adapter Fitting for unmatched performance and reliability in your vehicle’s plumbing system. Whether for racing or everyday driving, this fitting stands out as a top choice for automotive enthusiasts.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

