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K&N Marine Engine Flame Arrestor 8.625in Base O/S Length / 4.5in Base O/S Width / 3.25in Height K&N Engineering KNN59-5020
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K&N Marine Engine Flame Arrestor 8.625in Base O/S Length / 4.5in Base O/S Width / 3.25in Height

KNN59-5020
024844021939
Air Filters - Universal Fit
19 Units In Stock - Ships Next Business Day
$ 132.00 $ 115.99
$ 115.99

SKU: 59-5020 | UPC: 024844021939

K&N Marine Engine Flame Arrestor 59-5020 8.625in Base O/S Length 4.5in Base O/S Width 3.25in Height Fits Mercruiser 3.0L OMC Cobra Volvo Penta

The K&N 59-5020 Marine Flame Arrestor delivers high-flow air filtration for marine engines such as Mercruiser 3.0L 135HP (1983-1991) OMC Cobra 3.0L (1986-1987) and Volvo Penta AQ131A AQ151A 3.0L (1983-1987). This oiled cotton gauze and epoxied screen element protects engines while increasing horsepower and torque for faster performance on water. It meets SAE J1928 marine approval standards smoothing and straightening incoming air for better combustion efficiency.

Key Features

  • High-Flow Filtration: Oiled cotton gauze structure traps dirt and debris while allowing unrestricted airflow to maintain engine power
  • Horsepower and Torque Gains: Dyno-tested design feeds cleaner cooler air directly into carburetor for noticeable acceleration improvements
  • SAE J1928 Approved: Certified for marine safety preventing flame backfire with rugged construction built for harsh saltwater environments
  • Airflow Optimization: Internal geometry straightens turbulent air from hull openings creating laminar flow for precise fuel atomization
  • Washable Reusable Media: Service with K&N cleaning kit extends service life indefinitely reducing long-term ownership costs

Product Notes

  • Rectangular flange measures 5.125in width 3.25in length inside opening 0.875in flange height bolts directly to compatible marine carburetors
  • Clean every 50 operating hours or annually in soapy water re-oil for peak performance
  • Product weight 1 lb ships in protective box measuring 9.1 x 5.8 x 4.1 inches

Installation Notes

  • Professional installation recommended.
  • Verify carburetor flange matches 5.125 x 3.25in rectangular opening before purchase
  • Uses factory mounting studs no additional clamps or hardware required

This Part Fits

Year Make Model Submodel
1983-1991 Mercruiser 3.0L 135HP Stern Drive
1986-1987 OMC Cobra 3.0L 135HP
1983-1985 Volvo Penta AQ131A AQ131B 3.0L 135HP
1986-1987 Volvo Penta AQ151A AQ151B 3.0L 135HP
1983-1987 Chris Craft 3.0L 135HP
1984-1989 Pleasurecraft 3.0L 135HP
1983-1988 Chrysler Marine 3.0L 130HP

Why Choose K&N?

  • Over 60 years crafting performance air filters trusted by marine enthusiasts worldwide
  • High-flow media withstands water spray oil and extreme temperatures without clogging
  • Precision-engineered flange and screen assembly ensures leak-free seal and flame protection

Frequently Asked Questions

  • Q: Will K&N 59-5020 fit my Mercruiser 3.0L engine?
    A: Yes it bolts to 1983-1991 Mercruiser 3.0L 135HP models with matching rectangular carb flange 5.125 x 3.25in confirm your setup matches
  • Q: What filter material does it use?
    A: Multi-layer oiled cotton gauze with flame-retardant epoxied wire screen captures contaminants down to 1 micron while resisting backfire flames
  • Q: What warranty coverage applies?
    A: Backed by K&N No-Hassle Lifetime Limited Warranty wash and re-oil as directed for coverage

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 9.1 x 5.8 x 4.1 inches
  • Weight: 1 lb

Request For Information

Have questions about K&N Marine Engine Flame Arrestor 8.625in Base O/S Length / 4.5in Base O/S Width / 3.25in Height? Fill out the form below and we'll get back to you by the next business day.
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