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Extra-large Viton face seal
high-temperature-rated neodymium magnet for additional engine protection
emissions friendly upgrade you'll wish you would've made sooner
maximize lubrication
2020 – 2026 GM 3.0L Duramax Diesel Fuel Cap 173001000 LM2 Extra-large Viton face sealGM 3. 0L Duramax Diesel Fuel Cap Keep your fuel filler neck and fuel tank contaminants free smoothly with this precision CNC machined billet aluminum fuel cap. Featuring a high quality Viton O ring seal, it provides a secure, airtight fit that protects your fuel system from contaminants like dust, dirt, and moisture. The fuel cap also includes a powerful neodymium magnet on the bottom, allowing for easy adhesion to body panels during refueling. PART
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