--- product_id: 13078193 title: "K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2009-2016 Cadillac SRX and SRX II, 33-2444" brand: "k&n" price: "£59.88" currency: GBP in_stock: true reviews_count: 13 category: "K&N" url: https://www.desertcart.co.uk/products/13078193-k-and-n-engine-air-filter-increase-power-and-acceleration store_origin: GB region: Great Britain --- # Washable & reusable for 200k miles Up to +5% horsepower boost 4-layer contaminant blocking tech K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2009-2016 Cadillac SRX and SRX II, 33-2444 **Brand:** k&n **Price:** £59.88 **Availability:** ✅ In Stock ## Summary > 🏁 Unlock your Cadillac’s hidden power—drive smarter, cleaner, and faster! ## Quick Answers - **What is this?** K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2009-2016 Cadillac SRX and SRX II, 33-2444 by k&n - **How much does it cost?** £59.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/13078193-k-and-n-engine-air-filter-increase-power-and-acceleration) ## Best For - k&n enthusiasts ## Why This Product - Trusted k&n brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lifetime Durability:** Built with premium materials and rugged construction to last a lifetime—no frequent replacements needed. - • **Plug & Play Upgrade:** Pre-oiled and ready to install for a quick, cost-effective performance boost without any fuss. - • **Maintenance Made Easy:** Clean only once every 75,000 miles—five years of hassle-free driving under normal conditions. - • **Eco-Friendly & Cost-Saving:** Washable filter saves up to $125 and reduces landfill waste over 200 million disposables annually. - • **Engineered for Peak Performance:** Feel the instant horsepower and acceleration gains tailored for your Cadillac SRX. ## Overview The K&N 33-2444 Engine Air Filter is a premium, washable replacement filter designed specifically for 2009-2016 Cadillac SRX models. Featuring advanced 4-layer cotton gauze media, it boosts horsepower and acceleration while providing superior contaminant protection. Engineered for longevity with a lifetime warranty, it requires cleaning only every 75,000 miles, saving you money and reducing environmental waste. Proudly made in the USA, this filter offers an easy, pre-oiled installation for immediate performance gains. ## Description Compatible Vehicles:2009-2016 CADILLAC SRX2012 CADILLAC SRX II Cross Reference:AC Delco A3147CAutopart International 5000287291Autopart International 5000321615Baldwin PA4465Cadillac 15913344Cadillac 20897358Carquest 83158DuraMAX DA3139AEco Gard XA6145Fram CA10867Hastings AF1527MicroGard MGA49158Premium Guard PA6145Pronto PA6145Purolator A46145Service Pro MA6145STP SA10867WIX 49158 Review: Its a K&N. Always Awesome!! - Perfect fir my my 2011 Cadillac SRX and you could FEEL the difference in the motor instantly. Ran smoother and had a touch more pickup. Gas mileage has also improved. Always a great experience with K&N. Best there is on the market! Review: Happy Customer - Awesome vendor services as well as the item sent. Very Happy customer!!! 100%+ ## Features - ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance - RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime - 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 - 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) - REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving) - ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply - 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 - 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 - MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003LRXFL0 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #485,922 in Automotive ( See Top 100 in Automotive ) #6,046 in Automotive Replacement Air Filters | | Brand | K&N | | Customer Reviews | 4.7 4.7 out of 5 stars (212) | | Date First Available | October 28, 2010 | | EU Spare Part Availability Duration | 5 Years | | Exterior | Machined | | Global Trade Identification Number | 00024844283023 | | Is Discontinued By Manufacturer | No | | Item Weight | 1.32 pounds | | Item model number | 33-2444 | | Manufacturer | K&N Engineering | | Manufacturer Part Number | 33-2444 | | Model | Replacement Air Filter | | OEM Part Number | 15913344, 20897358 | | Position | Left | | Product Dimensions | 10.38"L x 10.25"W x 11.56"H | | UPC | 024844283023 | ## Product Details - **Brand:** K&N - **EU Spare Part Availability Duration:** 5 Years - **Fit Type:** Vehicle Specific Fit - **Product Dimensions:** 10.38"L x 10.25"W x 11.56"H - **Product Grade:** Replacement Part ## Images ![K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2009-2016 Cadillac SRX and SRX II, 33-2444 - Image 1](https://m.media-amazon.com/images/I/51NUbfi6XxL.jpg) ## Questions & Answers **Q: K&n air filter 33-2444 is shown as measuring about 4" x 4" . that is not what is required for a 2015 cadillac srx. the listing says it does fit??** A: My vehicle is 2015 Cadillac SRX 3.6 engine and this one fit perfectly. Thanks **Q: fit a 2012 SRX** A: We have a 2011 SRX with the 3.0l. Should you have the same engine displacement it should fit. I went to K&N site and got correct size prior to purchasing from Amazon. **Q: will it fit a 2015 3.6 cadillac srx......whats the part # i need to order?** A: Yes, this product is listed as being compatible with the 2015 SRX. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Its a K&N. Always Awesome!! *by L***N on September 5, 2022* Perfect fir my my 2011 Cadillac SRX and you could FEEL the difference in the motor instantly. Ran smoother and had a touch more pickup. Gas mileage has also improved. Always a great experience with K&N. Best there is on the market! ### ⭐⭐⭐⭐⭐ Happy Customer *by H***O on September 26, 2025* Awesome vendor services as well as the item sent. Very Happy customer!!! 100%+ ### ⭐⭐⭐⭐⭐ Perfect fit in 2010 cadi srx *by H***H on June 6, 2022* Very sturdy construction, fit perfectly in my car. I didn’t notice any change in gas mileage or performance but it’s a 12yr old car… ## Frequently Bought Together - K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2009-2016 Cadillac SRX and SRX II, 33-2444 - K&N Premium Cabin Air Filter: High Performance, Washable, Clean Airflow to your Cabin: Designed For Select 2009-2019 Chevy/Buick/Cadillac/Holden/Saab Vehicle Models, VF2040 - K&N Air Filter Cleaning Kit: Aerosol Filter Cleaner and Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5000, Multi --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/13078193-k-and-n-engine-air-filter-increase-power-and-acceleration](https://www.desertcart.co.uk/products/13078193-k-and-n-engine-air-filter-increase-power-and-acceleration) --- *Product available on Desertcart Great Britain* *Store origin: GB* *Last updated: 2026-04-23*