Transmission Locking Dipstick

Features:

• Locking design prevents dipstick blowout
• Designed for 2011–2017 6.7L Powerstroke engines
• Compatible with Ford F250 and F350 models
• Built for high-performance transmission setups
• Ideal for towing and heavy-duty use
• Helps maintain proper transmission fluid pressure
• Durable construction resists heat and vibration
• Easy to install and secure in place
• Prevents contamination and fluid leaks
• Engineered from OEM failure analysis
• Trusted quality from SunCoast's proven designs
• Enhances long-term drivetrain reliability

Keep Your Powerstroke Locked Down And Leak Free

If you're pushing your 6.7L Powerstroke hard with towing, hauling, or performance upgrades, a stock dipstick might not be enough to keep everything sealed and secured. The SunCoast 6R-LDS Transmission Locking Dipstick is built to handle the heat and pressure that come with serious work. This isn’t just another upgrade, it’s a smart solution to a common failure point that could leave you with a mess or worse. SunCoast developed this dipstick after studying how OEM units fail under stress, and the result is a rugged, locking design that stays put when it matters most. Whether you're climbing a grade with a heavy load or putting your foot down on the track, this dipstick gives you peace of mind. It’s easy to install and adds a level of protection that every Powerstroke owner can appreciate. When you’re relying on your truck day in and day out, little upgrades like this can save you from big problems down the road.

Designed To Withstand Pressure Where OEM Fails

The SunCoast 6R-LDS Locking Dipstick is engineered for the 2011–2017 Ford F250 and F350 6.7L Powerstroke, addressing a known weak point in the factory transmission setup. Under heavy load or during high-performance use, factory dipsticks can work loose due to heat, vibration, and pressure spikes, allowing fluid to escape or contaminants to enter. This dipstick locks securely into place, eliminating the risk of blowout and ensuring fluid stays where it belongs. Built from durable materials and tested under extreme conditions, it holds up to the demands of diesel applications, whether on the job site or at the track. The design is based on SunCoast's failure analysis of OEM parts, meaning every detail was crafted with purpose and real-world performance in mind. It installs easily without major modifications and provides a long-term solution for drivers who push their trucks beyond factory limits. For anyone building a reliable transmission system, this dipstick is an essential upgrade.

Fits: 2011, 2012, 2013, 2014, 2015, 2016, 2017 Ford F250/F350 6.7L Powerstroke

Notes:

• Designed specifically for 2011–2017 Ford 6.7L Powerstroke
• Compatible with F250 and F350 models only
• Engineered to prevent dipstick blowout under pressure
• Developed through detailed OEM failure analysis
• Intended for high-performance or heavy-duty applications
• Locks securely to maintain proper fluid containment
• Helps prevent contamination from dirt and debris
• Not a cosmetic upgrade, designed for functional reliability
• Ideal for trucks used in towing, racing, or off-road use
• Installation is simple with no major modifications required