Bosch 3972 Premium FILTECH Oil Filter Cartridge

The Bosch 3972 Premium FILTECH Oil Filter is an OE-quality cartridge-style oil filter designed to deliver superior engine protection for Lexus, Toyota, Lotus, and Scion vehicles. This premium replacement filter utilizes Bosch's exclusive FILTECH media technology—a proprietary blend of cellulose and glass fiber materials that provides 99% filtration efficiency at 20 microns, effectively trapping both large and microscopic contaminants before they can cause engine wear.

Key Features:

• Up to 42% larger filtering area compared to conventional oil filters for extended protection
• Nearly 30% thicker filter media screens out more harmful particles and dirt
• Metal spiral-wound center tube reinforces internal strength and durability
• Strong steel baseplate and housing prevent warping, leaks, and poor fitment
• Silicone anti-drainback valve ensures clean oil supply at engine startup
• High lubricity gasket design creates a tight seal yet allows for easy removal
• 20 micron filtration rating for superior contaminant capture
• 200 PSI burst pressure rating for reliable performance under pressure

Specifications:

• Filter Style: Cartridge (not spin-on)
• Height: 2.677 inches
• Outside Diameter: 2.441 inches
• Micron Rating: 20
• Anti-Drainback Valve: No (Note: Some sources mention silicone valve where applicable)
• Bypass Relief Valve: No
• UPC: 028851725415

OEM Cross-References:

• Toyota 04152YZZA1
• Toyota 0415231090

Bosch Premium Oil Filters are engineered to fit and function exactly like original equipment filters while providing enhanced filtration performance. The exclusive blend of natural and synthetic filter media maintains high oil flow while capturing more contaminants than conventional filters, helping to prevent premature engine wear, extend engine life, and avoid costly repairs. Each filter is built to exacting OE standards and backed by Bosch's reputation for precision engineering and quality manufacturing since 1886.