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🔥 HOT DEAL
K&N High-Flow Original Lifetime Universal X-Stream Clamp-On Air Filter: Performance, Premium: Flange Diameter: 3 In, Filter Height: 5.5625 In, Flange Length: 1.75 In, Shape: Round Tapered, RX-4990
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 5, 2026 6:29 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The current price is 67% below what this product typically costs — a notable saving over its usual going rate.
- 🏷️The listed retail price is trimmed by 4% at checkout.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been climbing otherwise, adding urgency to act on this deal before cost reverts upward.
How We Scored This Deal
Price Competitiveness
28/28
Recent Value
22/22
Market Standing
0.51/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Broadway Knives
🚚 Shipping
Free Shipping
Product Details
✓ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
✓4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
✓RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
✓CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
✓EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
✓UNIVERSAL FITMENT: Designed for use on a variety of applications
✓REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
⚙️ Specifications
Product Grade
Replacement Part
Brand
K&N
Fit Type
Universal Fit
EU Spare Part Availability Duration
5 years
OEM Part Number
RX-4990
Global Trade Identification Number
00024844094773
Shape
Round
Manufacturer
K & N
Automotive Fit Type
Universal Fit
UPC
024844094773
Model
Universal X-Stream Clamp-On Air Filter
