Replacement Air Filter For Volvo Penta D4 D6 D9 D11 Marine Engine

This Marine Air Filter Is Designed For Boat Owners Maintaining D4, D6, D9, And D11 Marine Diesel Engines. It Replaces OEM Part Numbers 21702999, 3818541, And 3583654, And Also Cross-References Crom Marine 117303 And Orbitrade ORB17999/17999, So You Can Confirm The Correct Replacement Before Ordering. The Filtration Medium Is Filter Paper, Which Traps Dust And Debris Before They Reach Internal Engine Components. This Helps Maintain Clean Filtered Air Through The Intake And Supports Longer Engine Life Between Service Intervals. Measuring Approximately 11.8 In (300 Mm) Long, 9.4 In (240 Mm) Wide, And 1.4 In (35 Mm) Thick, This Filter Matches The Original Housing Footprint For Proper Seating. Replacing A Clogged Or Damaged Filter Restores Airflow To The Engine And Supports Running Efficiency While Reducing The Risk Of Power Loss Caused By Restricted Intake. Installation Is Direct: The Filter Drops In As A Replacement For The Old Or Damaged Unit, With No Complicated Tools Required. It Is Intended For Marine Engine Use Only, Not Automotive Or Industrial Applications. If You Are Unsure Whether Your Part Number Matches 21702999, 3818541, Or 3583654, Confirm Fitment Before Purchase To Avoid Unnecessary Returns. Specifications:
- Item Type: Air Filter
- Material: Filter Paper
- Length: Approx. 300 Mm / 11.8 In
- Width: Approx. 240 Mm / 9.4 In
- Thickness: Approx. 35 Mm / 1.4 In
- OEM Reference: 3818541 / 3583654 / 21702999
- Cross-Reference: Crom Marine 117303; Orbitrade ORB17999 / 17999
- Fitment: D4, D6, D9, D11 Marine Engine Models (Verify Part Number Before Ordering)
- Intended Use: Marine Engine Air Intake Filtration Packing List:
- 1 X Air Filter Note: Please Double Check The Part Number Of Your Item Before Purchasing. Matching Information Is For Reference Only.

What's in the box
1 x Air Filter