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SKU: 6-02-0450-B | UPC: 00887753546661
DeatschWerks 4ORB Male to Female Check Valve (Use with DW810 Male Inlet)
The DeatschWerks 4ORB Male to Female Check Valve is a high-flow, one-way valve designed to prevent backflow in fuel systems. It features a 4ORB (OR B) male inlet on one end and a female outlet on the other, making it the perfect companion for DeatschWerks DW810 male inlet fittings or similar AN-style fuel system components. This check valve ensures fuel flows in one direction only, protecting pumps, regulators, and injectors from reverse flow during shutdown or pressure changes. Built to DeatschWerks’ rigorous standards, it offers minimal restriction, reliable sealing, and durable construction for high-performance and racing applications.
Key Features
- 4ORB Male to Female Design – Direct compatibility with DW810 male inlet fittings and standard AN plumbing
- One-Way Check Valve – Prevents harmful backflow in fuel systems
- High-Flow Construction – Minimal pressure drop for maximum fuel delivery
- Durable Materials – Engineered for reliability in high-pressure performance environments
- Plug-and-Play Fit – Simple integration into existing DeatschWerks or AN fuel systems
| Spec | Detail |
|---|---|
| Part Number | 6-02-0450-B |
| Brand | DeatschWerks |
| Type | 4ORB Male to Female Check Valve |
| Compatibility | Use with DW810 Male Inlet or standard 4ORB/AN fuel systems |
| Thread Size | 4ORB (OR B) Male to Female |
| Country of Origin | United States |
| Warranty | DeatschWerks Limited Warranty |
Whats Included
- DeatschWerks 4ORB Male to Female Check Valve
Product Notes
- Designed to prevent backflow in fuel systems when used with DW810 male inlet fittings
- High-flow design minimizes restriction for maximum performance
- Ideal for custom fuel systems, return-style setups, or high-pressure applications
Installation Notes
- Thread into compatible 4ORB female port or DW810 male inlet
- Use appropriate thread sealant (anaerobic recommended for fuel systems)
- Estimated time: 10–20 minutes
Why Choose DeatschWerks Check Valves?
- Precision-machined for reliable one-way flow in high-performance fuel systems
- Minimal pressure drop for maximum fuel delivery
- Trusted by enthusiasts and professional builders for quality and durability
Frequently Asked Questions
-
Q: What is this check valve used for?
A: It prevents fuel backflow in custom or return-style fuel systems, commonly used with the DW810 male inlet fitting. -
Q: Is thread sealant required?
A: Yes, use an appropriate anaerobic thread sealant rated for fuel systems. -
Q: Is professional installation recommended?
A: Recommended for proper sealing and integration into the fuel system.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure DeatschWerks retail packaging
DeatschWerks
Welcome to our DeatschWerks collection, the ultimate destination for high-performance EFI fuel system solutions. Established in 2004, DeatschWerks has been at the forefront of the automotive industry, providing innovative components designed for enthusiasts and professionals alike. Why Choose DeatschWerks? Located in Oklahoma City, DeatschWerks operates from a state-of-the-art 36,000 sq. ft. facility, ensuring top-notch quality and performance in every product. The collection features: High flow drop-in fitment fuel injectors Advanced fuel pumps like the DW300, which outflows standard options Innovative modular surge tanks for superior fuel management Conversion fuel rails and dual-stage fuel filters Ethanol compatible fuel pressure regulators Comprehensive Offerings With over 1000 SKUs available, the DeatschWerks collection caters to a variety of applications including Sport Compact, Modern Muscle, and Euro vehicles. Each product is crafted with precision to enhance your ve...
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