Genuine Mopar OEM Part: Designed to match original factory specifications for reliable fit and function. Part can be found as reference #6 in illustration.
Secures the Rocker Shaft End: Valve rocker shaft retainer helps keep the valvetrain properly located and stable.
Direct Replacement: Installs in place of the original retainer with no modifications required.
Mopar Valve Rocker Shaft Retainer (4781187AA) is an OEM valvetrain component designed to help secure the rocker shaft end for a stable, properly retained rocker assembly. Precision-made to Mopar specifications, this retainer supports correct rocker shaft positioning, helping maintain consistent valvetrain geometry for smooth operation and long-term durability.
As a direct-fit replacement, it is ideal for servicing or restoring factory performance on compatible Chrysler, Dodge, and Jeep applications equipped with 3.3L and 3.8L V6 engines. Choosing a genuine Mopar rocker shaft retainer helps ensure dependable fitment and proper function compared to generic alternatives, making it a smart choice for quality-focused repairs.
Key benefits include OEM-engineered fit, reliable retention at the rocker shaft end, and confidence in using the correct part number for your vehicle. Sold individually.
- 2011 Jeep Wrangler 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.8L V6 - Gas
- 2010 Jeep Wrangler Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.8L V6 - Gas
- 2009 Jeep Wrangler Rubicon, Sahara, Unlimited Rubicon, Unlimited Sahara, Unlimited X, X 3.8L V6 - Gas
- 2008 Jeep Wrangler Rubicon, Sahara, X 3.8L V6 - Gas
- 2007 Jeep Wrangler Rubicon, Sahara, X
Vehicle Fitment:
- Qty (1) Valve Rocker Shaft Retainer
- Shipping Weight: 1lb
- Shipping Dimensions: 1in x 1in x 1in (L x W x H)
Jeep Wrangler 2-Door (JK)
- 2011 Jeep Wrangler 2-Door (JK)
- 2010 Jeep Wrangler 2-Door (JK)
- 2009 Jeep Wrangler 2-Door (JK)
- 2008 Jeep Wrangler 2-Door (JK)
- 2007 Jeep Wrangler 2-Door (JK)
Jeep Wrangler Unlimited 4-Door (JK)
- 2011 Jeep Wrangler Unlimited 4-Door (JK)
- 2010 Jeep Wrangler Unlimited 4-Door (JK)
- 2009 Jeep Wrangler Unlimited 4-Door (JK)
- 2008 Jeep Wrangler Unlimited 4-Door (JK)
- 2007 Jeep Wrangler Unlimited 4-Door (JK)
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