Experience superior engine protection with the Donaldson DBB8666—a high-efficiency, 4 micron spin-on filter engineered for optimal fuel cleanliness and injector preservation. Designed to meet OEM specifications, this filter enhances fuel delivery, keeps critical engine components cleaner, and is built for the heavy-duty demands of trucks and off-road vehicles.

Key Benefits

• Up to 4× cleaner fuel delivery compared to standard filters
• Superior capture and retention of contaminants to help protect injectors
• Engineered for heavy-duty environments, reducing unplanned downtime and costly repairs

Specifications

• Outer Diameter: 117 mm (4.61 inches)
• Thread Size: 1 3/4-12 UN
• Length: 362 mm (14.25 inches)
• Efficiency: 4 Micron filtering (Efficiency Beta 2000)
• Style: Spin-On
• Media Brand: Synteq XP
• Brand: Donaldson BLUE®

Features & Applications

• Versatile Use: Compatible with a range of SUVs, trucks, and heavy-duty machinery
• Enhanced Engine Protection: Maintains critical engine performance by filtering out harmful contaminants
• Cost-Effective Maintenance: Helps minimize engine wear and reduces the need for costly repairs

Explore more Donaldson products and related filter solutions on our Donaldson collection or browse our extensive Filters collection to keep your vehicle performing at its best.