QUALCAST 421552I
QUALCAST part number 421552I is a rocker arm in the Engine system. This catalog matches it to 130 year-and-engine configurations from 2006 to 2025.
Verified fitment includes 2025 Dodge Durango 5.7L V8 ; 2025 Dodge Durango 6.2L V8 Supercharged ; 2025 Jeep Wrangler 6.4L V8 ; 2025 Ram 2500 6.4L V8 ; 2025 Ram 3500 6.4L V8 , plus 125 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is QUALCAST 421552I?
QUALCAST part number 421552I is a rocker arm with published application data for 130 vehicle configurations from 2006 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does QUALCAST 421552I fit?
This catalog matches 421552I to 130 year-and-engine configurations from 2006 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is QUALCAST 421552I OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. QUALCAST 421552I 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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