Description
Maintain peak engine performance with the Detroit & Coralfly Filter Kit A4720921705, DDE R61709, A4711800209. This complete filter kit is designed for Detroit Diesel DD13, DD15, and DD16 engines used in Freightliner, Western Star, and other heavy-duty trucks. It includes the essential filters needed for routine maintenance, helping protect your engine, improve fuel efficiency, and reduce downtime.
Kit Includes:
- Coralfly A4720921705 Fuel Filter
- Detroit DDE R61709 Fuel Water Separator
- Coralfly A4711800209 Oil Filter
First, the Detroit DDE R61709 Fuel Water Separator removes water, dirt, rust, and other contaminants from diesel fuel. As a result, it helps protect fuel injectors and extends the life of the fuel system.
Next, the Coralfly A4720921705 Fuel Filter captures fine particles before they reach the engine. Therefore, it delivers clean fuel, supports efficient combustion, and helps maintain consistent engine performance.
The Coralfly A4711800209 Oil Filter removes harmful contaminants from engine oil. Consequently, it keeps the lubrication system clean, reduces engine wear, and helps extend engine life.
Coralfly manufactures its filters with premium filtration media for high dirt-holding capacity and reliable performance. Detroit designs the DDE R61709 Fuel Water Separator to meet strict requirements. Together, these filters provide a precise fit, secure sealing, and quick installation.
Regular filter replacement protects critical engine components and keeps your truck operating efficiently. Moreover, replacing the fuel, fuel water separator, and oil filter at the recommended service intervals helps reduce maintenance costs and maximize engine reliability. This kit is an excellent choice for owner-operators, repair shops, and commercial fleets.









Austin –
Very satisfied with the overall experience. Ordering was simple, and the product arrived on time.