{"product_id":"aem-water-methanol-reservoir-cap","title":"AEM Water Methanol Reservoir Cap","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e: 30-4508 \/ \u003cstrong\u003eUPC\u003c\/strong\u003e: 090127863831\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003e\n\u003cb\u003eAEM Water\/Methanol Reservoir Cap \u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe AEM Water\/Methanol Reservoir Cap for enthusiasts seeking reliability and seamless integration. Designed by AEM Performance Electronics, this replacement cap ensures a secure, leak-free seal for your water\/methanol reservoir, maintaining system integrity for consistent performance in high-performance vehicles. Crafted with precision, this cap is the go-to solution for racers and tuners who demand quality and dependability in their forced induction or high-compression naturally aspirated setups.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy Choose the AEM?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe AEM 30-4508 Reservoir Cap stands out as the best fit for maintaining the functionality of your AEM Water\/Methanol Injection System. Engineered to meet AEM’s rigorous standards, this cap is a direct replacement for the original component, ensuring a perfect fit and hassle-free installation. Unlike generic aftermarket alternatives, this cap is specifically designed to work with AEM’s 1.15-gallon and 5-gallon reservoirs, guaranteeing compatibility and performance. Its robust construction resists corrosion and wear, even when exposed to methanol mixtures, making it a reliable choice for long-term use in demanding environments.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat’s Included in Your Purchase?\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eAEM Water\/Methanol Reservoir Cap (SKU: 30-4508, UPC: 090127863831)\u003c\/b\u003e: A single, high-quality replacement cap designed for AEM’s water\/methanol injection system tanks.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eNo Additional Hardware\u003c\/b\u003e: This is a standalone replacement cap, ready for installation on compatible AEM reservoirs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe AEM 30-4508 Reservoir Cap is designed exclusively for AEM Water\/Methanol Injection Systems, specifically compatible with the following AEM tank part numbers:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e30-3320\u003c\/b\u003e: AEM V2 Water\/Methanol Injection Tank Kit (5-Gallon Capacity)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e30-3325\u003c\/b\u003e: AEM 1.15-Gallon Water\/Methanol Injection Tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eAssociated Kits\u003c\/b\u003e: Compatible with AEM Water\/Methanol Injection Kits, including but not limited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-3300 (Boost Dependent Controller, up to 35 PSI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-3301\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-3302 (No Reservoir)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-3304 (Standard Controller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-3350 (Multi-Input Controller for ultra-high boost or naturally aspirated engines)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e30-3351 (Multi-Input Controller with 5-gallon tank and two injectors)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eVehicle Compatibility\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis cap is not vehicle-specific but is designed for use with AEM’s water\/methanol injection systems installed on:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eForced induction (turbocharged or supercharged) gasoline-powered race engines.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHigh-compression naturally aspirated gasoline engines.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eVehicles using AEM Water\/Methanol Injection Kits for performance tuning, regardless of year, make, or model, provided the system includes an AEM 1.15-gallon or 5-gallon tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eNote\u003c\/b\u003e: For optimal performance, AEM recommends using an inline filter (PN 30-3003) with all water\/methanol injection systems to ensure clean fluid delivery. For systems where the tank is mounted higher than the injection nozzle, consider adding the AEM High-Flow Low-Current WMI Solenoid (PN 30-3326) to prevent unintended flow.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMaterial\u003c\/b\u003e: Durable, corrosion-resistant materials compatible with up to 50% methanol mixtures, ensuring longevity in harsh environments.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDesign\u003c\/b\u003e: Precision-engineered to provide a secure, leak-free seal for AEM’s water\/methanol reservoirs.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCompatibility\u003c\/b\u003e: Direct replacement for caps on AEM 1.15-gallon (PN 30-3325) and 5-gallon (PN 30-3320) tanks.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePart Number\u003c\/b\u003e: 30-4508\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eUPC\u003c\/b\u003e: 090127863831\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWeight\u003c\/b\u003e: Approximately 0.2 lbs (estimated, as exact weight is not specified by the manufacturer).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eShipping Dimensions\u003c\/b\u003e: Approximately 4” x 4” x 2” (estimated based on compact size for a reservoir cap; exact dimensions not provided by AEM).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eManufacturer\u003c\/b\u003e: AEM Performance Electronics, known for high-quality automotive aftermarket products.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWarranty\u003c\/b\u003e: One-year limited warranty, applicable to the original customer and non-transferable. Improper use or installation voids the warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePerformance and Reliability\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe AEM 30-4508 Reservoir Cap is critical for maintaining the integrity of your water\/methanol injection system, which is proven to reduce engine inlet air temperatures and suppress detonation in forced induction or high-compression engines. By ensuring a secure seal, this cap prevents leaks that could compromise system performance, allowing racers to confidently increase boost and advance ignition timing for power gains of up to 20% without relying on high-octane racing fuel. Its compatibility with AEM’s robust hardware, such as the 200 PSI recirculation pump and conductive low-fluid level sensors, ensures seamless operation in high-performance applications.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eInstallation and Maintenance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eInstallation is straightforward, requiring no special tools. Simply remove the old cap and secure the 30-4508 cap onto the compatible AEM reservoir. For best results, inspect the reservoir’s sealing surface for debris before installation to ensure a tight seal. AEM recommends using no more than a 50% methanol concentration to maintain compatibility with system components, including this cap.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eManufacturer Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAEM Performance Electronics, a leader in automotive aftermarket innovation, designs the 30-4508 cap to meet the needs of performance enthusiasts. This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles, as it does not affect vehicle emissions and is not covered by emissions regulations.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eCustomer Confidence\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eChoose the AEM 30-4508 Reservoir Cap for its proven compatibility, durable construction, and seamless integration with AEM’s water\/methanol injection systems. Whether you’re upgrading a damaged cap or maintaining your system, this cap delivers the reliability needed for high-performance tuning. Don’t settle for less trust AEM for precision-engineered components that keep your vehicle running at its best.\u003c\/p\u003e","brand":"AEM","offers":[{"title":"Default Title","offer_id":43558682099791,"sku":"AEM30-4508","price":17.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_30-4508_UPC_090127863831.jpg?v=1756757235","url":"https:\/\/www.blackopsautoworks.com\/products\/aem-water-methanol-reservoir-cap","provider":"Black Ops Auto Works","version":"1.0","type":"link"}