Seguler Shibby Engineering Tuner Harness Plugs for 2007.5-2024 6.7L Ram Cummins

FITMENT

• 2007.5-2024 6.7L Dodge Ram Cummins 2500 3500 Turbo Diesel.
• Note: This is for pick up only; Does NOT fit Cab & Chassis trucks.
• The base kit does not include DEF tank plugs.

DESCRIPTION

Product Overview

• Unplugged factory sensor wiring on 6.7L Cummins engines poses a continuous threat to your truck’s electrical integrity after aftermarket tuning. Open sensor sockets along the chassis and engine bay are left vulnerable to rain, mud, road salt, and heat—leading to short circuits and costly harness replacements.
• This Weatherproof Tuner Harness Plug Kit provides an instant, snap-in defense for all disconnected electrical leads. Precision-molded from durable materials, these protective plugs lock out moisture and debris to safeguard sensitive connector pins, preserve stock wiring, and give your engine bay a sleek, factory-finished look.
  

Key Features

• Shield exposed sensor and EGR connectors from water, road grime, salt, and engine heat on tuned trucks.
• Snap into unused OEM harness plugs with factory-style locking tabs and internal rubber seals for a stay-put fit.
• Block out dirt and corrosion to prevent pin damage and costly wiring harness failures down the road.
• Maintain a tidy, professional engine bay and chassis layout after removing emissions hardware.
• Deliver a simple tool-free, plug-and-play installation — no cutting, crimping, or modifications needed.
• Built from heat-resistant, high-impact automotive-grade materials engineered to withstand harsh under-hood conditions.

FAQ

Q: Can water trapped in unplugged factory connectors cause CAN-bus network errors?

A: Yes. Moisture and road salt bridging the open copper terminals inside unsealed factory plugs cause parasitic voltage bleeds. This interferes with your truck's CAN-bus network, leading to phantom dash light warnings or battery drain. These caps isolate the terminals completely.

Q: My Ram 6.7L Cummins is a 2009 model. Which variant should I select?

A: Dodge updated chassis sensor connectors mid-2009: check your driver-side door sticker and select 2007.5–2009 (Up to 06/09) if your truck was built in 06/09 or earlier (1st-gen square plugs), or 2009.5–2012 (From 07/09) if built in 07/09 or later (4th-gen locking-tab plugs).

Q: Will these caps stay secure during underbody pressure washing or off-road mudding?

A: Yes. Each cap features an OEM-style locking mechanism and an internal rubber seal that snaps into place with a click-lock fit, creating a watertight barrier against high-pressure wash sprays and wet mud.

Q: Do I need to remove the factory O2 or EGT sensor bung adapters from the exhaust before installing these caps?

A: No. These caps plug directly into the chassis wiring harness side, not the metal sensor bungs on the exhaust pipe itself. Once you unplug and remove the sensors with your old exhaust, simply cap the open harness sockets under the body.