DeatschWerks · New
DeatschWerks 01-09 Audi S4/RS6/S6 4.2L V8 550cc Injectors - Set of 8
MPN 21S-06-0550-8 · Store SKU dwk21S-06-0550-8
Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.
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Product details
DeatschWerks, LLC provides high-performance fuel system solutions for the automotive aftermarket. Located in Oklahoma City, OK, DW houses all of the company?s functions including design, end-manufacturing, quality assurance, sales, marketing, and administration in its 36,000sf facility. DeatschWerks? roots were established in 2004 by offering high flow drop-in fitment fuel injectors. In 2009 DW expanded into fuel pumps with the DW300, the highest flowing in-tank fuel pump of its time. Since then, DW has developed a wide range of innovative fuel system components which include in-tank and in-line pumps, surge tanks, fuel rails, fuel filters, pressure regulators, and fuel-specific lines, fittings, and adaptors. Today, the DeatschWerks line-up of fuel system components includes over 800 SKU?s covering Sport Compact, Modern Muscle, Euro, and Powersport applications. Matched set of 8 550cc Injectors for Audi S4/RS6/S6/S8 4.2L V8 2001-09 Set of 8 550cc Injectors for Audi S4/RS6/S6/S8 4.2L V8 2001-09 550cc - Audi S4/RS6/S6/S8 4.2L V8, Titan 5.6L Matched set of 8 injectors 550cc/min
Manufacturer fitment & guides
Check 21S-06-0550-8 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y