# aFe Power 46-39004 Silver Bullet Throttle Body Spacer Kit for 2018-2023 Volkswagen Atlas and More ### Performance Overview The aFe Power Silver Bullet Throttle Body Spacer is designed to enhance airflow efficiency and optimize combustion, delivering noticeable gains in horsepower, torque, and throttle response. Engineered with a serrated/helix design, this innovative spacer increases turbulence within the intake manifold, improving the air-fuel mixture for a more complete combustion cycle. Unlike traditional helix-only spacers, this design minimizes the common whistling sound, ensuring quieter yet more efficient operation. Precision-crafted from 6061-T6 billet aluminum, the spacer offers exceptional durability while remaining lightweight. The high-quality machining ensures a precise factory-style fit, providing both performance improvements and an upgraded aesthetic in the engine bay. Its advanced construction enhances engine efficiency by promoting better airflow velocity, which translates to improved responsiveness and fuel atomization. By improving air intake dynamics, the aFe Power Silver Bullet Throttle Body Spacer enhances both power and efficiency, making it a valuable addition for drivers looking to maximize their vehicle's potential. Whether on the road or off the beaten path, this upgrade delivers better throttle response, improved fuel combustion, and a refined driving experience. ### Key Features - Brand: aFe Power - Part number: 46-39004 - Product type: Silver Bullet Throttle Body Spacer Kit - Designed for the compatible vehicle applications listed on this page ### Vehicle Fitment - 2018 Volkswagen Atlas, Note: Launch Edition, S, Se, Sel, Sel Premium; 3.6L - 2019 Volkswagen Atlas, Note: S, Se, Se R-Line, Sel, Sel Premium, Sel R-Line; 3.6L - 2020 Volkswagen Atlas, Note: S, Se, Sel, Sel Premium, Sel R-Line; 3.6L - 2021 Volkswagen Atlas, Note: Se, Sel, Sel Premium, Sel Premium R-Line, Sel R-Line; 3.6L - 2022 Volkswagen Atlas, Note: Se, Sel, Sel Premium R-Line, Sel R-Line; 3.6L - 2023 Volkswagen Atlas, Note: Se, Sel, Sel Premium R-Line, Sel R-Line Black; 3.6L - 2020 Volkswagen Atlas Cross Sport, Note: Comfortline, Execline, Se, Se R-Line, Sel, Sel Premium, Sel Premium R-Line, Sel R-Line, Trendline; 3.6L - 2021 Volkswagen Atlas Cross Sport, Note: Se, Se R-Line, Sel, Sel Premium, Sel Premium R-Line, Sel R-Line; 3.6L ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 46-39004. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Silver Bullet Throttle Body Spacer Kit for Volkswagen Atlas - 46-39004 fitment - aFe Power Silver Bullet Throttle Body Spacer Kit - 2018 Volkswagen Atlas Silver Bullet Throttle Body Spacer Kit ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2018 Volkswagen Atlas Launch Edition, S, Se, Sel, Sel Premium; 3.6L 2019 Volkswagen Atlas S, Se, Se R-Line, Sel, Sel Premium, Sel R-Line; 3.6L 2020 Volkswagen Atlas S, Se, Sel, Sel Premium, Sel R-Line; 3.6L 2021 Volkswagen Atlas Se, Sel, Sel Premium, Sel Premium R-Line, Sel R-Line; 3.6L 2022 Volkswagen Atlas Se, Sel, Sel Premium R-Line, Sel R-Line; 3.6L 2023 Volkswagen Atlas Se, Sel, Sel Premium R-Line, Sel R-Line Black; 3.6L 2020 Volkswagen Atlas Cross Sport Comfortline, Execline, Se, Se R-Line, Sel, Sel Premium, Sel Premium R-Line, Sel R-Line, Trendline; 3.6L 2021 Volkswagen Atlas Cross Sport Se, Se R-Line, Sel, Sel Premium, Sel Premium R-Line, Sel R-Line; 3.6L 2022 Volkswagen Atlas Cross Sport Se, Sel, Sel Premium R-Line, Sel R-Line; 3.6L 2023 Volkswagen Atlas Cross Sport Se, Sel, Sel Premium R-Line, Sel R-Line Black; 3.6L ## Details - **Price:** 220.57 CAD - **Vendor:** aFe Power - **Type:** Silver Bullet Throttle Body Spacer Kit - **Tags:** 2018 Volkswagen Atlas, 2019 Volkswagen Atlas, 2020 Volkswagen Atlas, 2020 Volkswagen Atlas Cross Sport, 2021 Volkswagen Atlas, 2021 Volkswagen Atlas Cross Sport, 2022 Volkswagen Atlas, 2022 Volkswagen Atlas Cross Sport, 2023 Volkswagen Atlas, 2023 Volkswagen Atlas Cross Sport, 46-39004, aFe Power, AFE-46-39004, Air Filter, Air Intake, Auto Parts, Automotive, Diesel Performance, Direct Replacement, Exhaust Performance, Performance Parts, Silver Bullet Throttle Body Spacer Kit, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 220.57 CAD | In stock | ## Images - aFe Power 46-39004 Silver Bullet Throttle Body Spacer Kit --- > Source: [Standard Auto Part](www.standardautopart.com/products/afe-volkswagen-atlas-throttle-body-spacer-46-39004) > Updated: 2026-06-13