PEAK DEF003
PEAK part number DEF003 is a diesel exhaust fluid (def) in the Exhaust & Emission system. This catalog matches it to 1,121 year-and-engine configurations from 2008 to 2027.
Verified fitment includes 2027 Freightliner B2 6.7L L6 DIESEL Turbocharged ; 2027 Freightliner Cascadia 12.8L L6 DIESEL Turbocharged ; 2027 Freightliner Cascadia 14.8L L6 DIESEL Turbocharged ; 2026 Chevrolet LCF 5.2L L4 DIESEL Turbocharged ; 2026 Chevrolet LCF 6.7L L6 DIESEL Turbocharged , plus 1,116 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is PEAK DEF003?
PEAK part number DEF003 is a diesel exhaust fluid (def) with published application data for 1,121 vehicle configurations from 2008 to 2027. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does PEAK DEF003 fit?
This catalog matches DEF003 to 1,121 year-and-engine configurations from 2008 to 2027. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is PEAK DEF003 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. PEAK DEF003 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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