PPE Diesel 128041119 2011-2019 GM 6.6L Duramax EPC Blocker PPE Diesel
SKU: 46605035989

PPE Diesel 128041119 2011-2019 GM 6.6L Duramax EPC Blocker PPE Diesel

Sale price$44.54 Regular price$49.49
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Description

PPE Diesel 128041119 2011-2019 GM 6.6L Duramax EPC Blocker PPE DieselThis easy to install kit solves a big problem with the 2011 2019 Allison 1000 transmission. low mainline pressure. Mainline pressure is created by the transmission's oil pump. Mainline pressure is directed by the valve body to the apply pistons and creates clamping force on the clutch packs, allowing the clutch packs to clamp quickly and completely. Reduced mainline pressure, or not having enough mainline pressure at the right time means reduced

This easy-to-install kit solves a big problem with the 2011-2019 Allison 1000 transmission. low mainline pressure. Mainline pressure is created by the transmission's oil pump. Mainline pressure is directed by the valve body to the apply pistons and creates clamping force on the clutch packs, allowing the clutch packs to clamp quickly and completely.

Reduced mainline pressure, or not having enough mainline pressure at the right time means reduced clamping force and there won't be enough to hold the torque of the engine. When clutch packs slip they generate excessive heat which destroys the clutch pack material.

The stock EPC functions to modulate line pressure. During a shift, the transmission control module commands the EPC to vary mainline pressure. The pressure will rise from 80psi up to 230psi. After the shift, the pressure drops back down to 80psi. At 80psi the clutch packs don't hold the torque of the engine. Towing heavy loads or adding aftermarket upgrades adds even more stress on the clutch packs.

The EPC blocker kit quickly installs between the EPC solenoid and the valve body. There is no need to remove the valve body. Just drain the transmission fluid and remove the oil pan and install the EPC blocker. Once installed, the EPC blocker will allow all the available mainline pressure, up to 230psi, to reach the apply pistons and clutch packs at all times.

  • 2011-2019 GM 6.6L Duramax EPC Blocker PPE Diesel
Shipping Notes
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  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 46605035989

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Ron
Natrona Heights, US
★★★★★ 3
Professionally clean or iron
Size: Medium, Color: Red (Retro Rose)
Looks good and at 5'7" and 145 lbs a medium fit me great. Plan on either professional cleaning or some time at the ironing board to make it look its best. The
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Reviewed in the United States on December 11, 2025
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John Speedy
Grantham, US
★★★★★ 5
Quality is great
Size: XX-Large, Color: Black (Retro Rose)
Love it it looks and feels great
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Reviewed in the United States on June 5, 2026
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Tracie
Port Orchard, US
★★★★★ 5
I like this brand of clothing, let’s keep them around.
Size: X-Large, Color: Brown
Great quality great fit.
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Reviewed in the United States on May 5, 2026
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Robert Smith
Boise, US
★★★★★ 5
Well made but on the small side. I recommend ordering one size bigger than your usual size
Size: Large, Color: Pure Black (Retro Rose)
The fit on this shirt ran slightly smaller for me being a slim fit, so I order the next size up. Getting the next size up gave me a perfect fit. The material is soft and comfortable. I will likely consider similar shirts in the future. I recommend the product.
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Reviewed in the United States on April 30, 2026
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Lauren
San Leandro, US
★★★★★ 5
Cowboy shirt
Size: Large, Color: White
Good quality. Fit and finish seem nice for the price. Look like a cowboy! Yeee haaaaaw. Wrinkles easy in dryer, don’t let it sit for long.
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Reviewed in the United States on March 4, 2026

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