--- product_id: 261806351 title: "Aem 21-2031D-Hk Universal Dryflow Clamp-On Air Filter: Round Tapered; 3 In (76 mm) Flange Id; 5 (127 Height; 6 (152 Base; 5.125 (130 Top" brand: "aem" price: "$82.92" currency: USD in_stock: true reviews_count: 5 category: "Aem" url: https://www.desertcart.us/products/261806351-aem-21-2031d-hk-universal-dryflow-clamp-on-air-filter store_origin: US region: United States of America --- # Washable, oil-free synthetic media Boosts horsepower & throttle response Proudly made in the USA Aem 21-2031D-Hk Universal Dryflow Clamp-On Air Filter: Round Tapered; 3 In (76 mm) Flange Id; 5 (127 Height; 6 (152 Base; 5.125 (130 Top **Brand:** aem **Price:** $82.92 **Availability:** ✅ In Stock ## Summary > 🏁 Elevate your engine’s breathability—performance that’s impossible to ignore! ## Quick Answers - **What is this?** Aem 21-2031D-Hk Universal Dryflow Clamp-On Air Filter: Round Tapered; 3 In (76 mm) Flange Id; 5 (127 Height; 6 (152 Base; 5.125 (130 Top by aem - **How much does it cost?** $82.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/261806351-aem-21-2031d-hk-universal-dryflow-clamp-on-air-filter) ## Best For - aem enthusiasts ## Why This Product - Trusted aem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **American-Made Quality:** Crafted in the USA for durability and performance you can trust. - • **Lifetime Clean & Reuse:** Oil-free Dryflow tech means effortless washing and zero messy oiling—filter forever. - • **Race-Ready Power Boost:** Feel the surge with enhanced horsepower and lightning-fast throttle response. - • **99% Contaminant Capture:** Protect your engine with near-perfect filtration, even in dusty, rugged conditions. - • **Universal Fit, Instant Upgrade:** Fits most vehicles seamlessly—upgrade your ride without the hassle. ## Overview The AEM 21-2031D-HK Universal Dryflow Clamp-On Air Filter is a high-performance, washable synthetic air filter designed to maximize airflow and filtration efficiency. With a 3-inch flange and tapered round design, it fits universally and captures up to 99% of harmful contaminants. Engineered for durability and made in the USA, it guarantees lifetime use without oiling, delivering consistent horsepower gains and throttle response even in harsh racing environments. ## Description AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM Dryflow filters use an innovative high performance oil-free filtration material that allows easy cleaning, durable service, and excellent filtration.. Review: وصلني مطعوج - الفلتر وصلني مطعوج Review: Excellent filter, works and sounds great-long lasting - Great fit, this was the replacement for the previous filter of the same type which has been on the vehicle since 2007 with no issues. Love AEM filters and charge systems ## Features - Designed to increase horsepower and throttle response - AEM Air Filters are cleanable and guaranteed for the life of your vehicle - Captures up to 99% of harmful contaminants - Outstanding performance even in dusty racing conditions - Manufactured in the USA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B006H2JP3I | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #36,253 in Automotive ( See Top 100 in Automotive ) #435 in Car Engine Air Filters | | Brand | AEM | | Brand Name | AEM | | Country of Publication | USA | | Customer Reviews | 3.9 out of 5 stars 31 Reviews | | Fit Type | Universal Fit | | Fit type | Universal Fit | | Global Trade Identification Number | 00024844298546 | | Included Components | 1 Air Filter | | Item Dimensions L x W x H | 12.7L x 12.7W x 12.7H centimeters | | Item Type Name | Air Filters - Universal Fit | | Item Weight | 1.2 Pounds | | Manufacturer | AEM | | Manufacturer Part Number | 21-2031D-HK | | Model Number | 21-2031D-HK | | Number of Items | 1 | | OEM Equivalent Part Number | 21-2031D-HK | | OEM part number | 21-2031D-HK | | Product Grade | Performance Part | | Product dimensions | 12.7L x 12.7W x 12.7H centimeters | | Product grade | Performance Part | | Shape | Round | | UPC | 024844298546 | | Unit Count | 1 Count | ## Product Details - **Brand:** AEM - **Fit type:** Universal Fit - **OEM part number:** 21-2031D-HK - **Product dimensions:** 12.7L x 12.7W x 12.7H centimeters - **Product grade:** Performance Part ## Images ![Aem 21-2031D-Hk Universal Dryflow Clamp-On Air Filter: Round Tapered; 3 In (76 mm) Flange Id; 5 (127 Height; 6 (152 Base; 5.125 (130 Top - Image 1](https://m.media-amazon.com/images/I/61xLU09Y4oL.jpg) ## Customer Reviews ### ⭐ وصلني مطعوج *by A***A on 23 January 2021* الفلتر وصلني مطعوج ### ⭐⭐⭐⭐⭐ Excellent filter, works and sounds great-long lasting *by R***S on 18 April 2018* Great fit, this was the replacement for the previous filter of the same type which has been on the vehicle since 2007 with no issues. Love AEM filters and charge systems ### ⭐⭐⭐⭐⭐ Excellent *by A***R on 23 June 2016* Very good product. Happy with my purchase. Will buy again if needed --- ## 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.us/products/261806351-aem-21-2031d-hk-universal-dryflow-clamp-on-air-filter](https://www.desertcart.us/products/261806351-aem-21-2031d-hk-universal-dryflow-clamp-on-air-filter) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-26*