Features
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Blue anodized billet aluminum oil cap
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Compatible with 2001–2016 GM 6.6L Duramax engines
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CNC-machined for precise OEM-style fitment
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Corrosion-resistant blue anodized finish
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Laser-etched Fleece Performance logo for a premium appearance
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Provides a tight, leak-free seal to protect your engine
Product Overview
The Fleece FPE-DMAX-OC-BLU Oil Cap adds a custom touch and enhanced durability to your Duramax engine bay. Made from high-quality billet aluminum with a striking blue anodized finish, this cap not only improves aesthetics but also ensures a reliable seal. Whether you're refreshing your engine look or replacing a worn factory cap, this upgrade delivers both function and style.
Fitment
2001–2016 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD 6.6L Duramax
Warranty
Backed by Fleece Performance Engineering’s limited manufacturer warranty. Refer to Fleece for full warranty terms.
Fitment Notes
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Direct replacement for factory oil cap
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No special tools required for installation
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Anodized finish may vary slightly in tone due to manufacturing process
Fleece FPE-DMAX-OC-BLU Oil Cap Blue | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece Performance Products
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Fleece Performance Products
Fleece FPE-DMAX-OC-BLU Oil Cap Blue | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
- SKU:
- FLCFPE-DMAX-OC-BLU
- UPC:

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Fleece Performance Products
Fleece FPE-DMAX-OC-RED Oil Cap Red | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
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Fleece Performance Products
Fleece FPE-DMAX-OC-BLK Oil Cap Black | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
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Fleece Performance Products
Fleece FPE-DMAX-CP3K Modified CP3K | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
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Fleece Performance Products
Fleece FPE-DMAX-CP3-10MM PowerFlo 750 CP3 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
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Fleece Performance Products
Fleece FPE-DMAX-CP3-ADPT Billet Aluminum CP3 Adapter | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
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