• spelab-coolant-bypass-kit-for-2003-2018-dodge-ram-6-7l-5-9l-diesel-3793
  • spelab-coolant-bypass-kit-for-2003-2018-dodge-ram-6-7l-5-9l-diesel-3793
  • spelab-coolant-bypass-kit-for-2003-2018-dodge-ram-6-7l-5-9l-diesel-3793
  • spelab-coolant-bypass-kit-for-2003-2018-dodge-ram-6-7l-5-9l-diesel-3793
  • spelab-coolant-bypass-kit-for-2003-2018-dodge-ram-6-7l-5-9l-diesel-3793
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Coolant Bypass Kit For 2003-2018 Dodge Ram 6.7L/5.9L Diesel

Coolant Bypass Kit For 2003-2018 Dodge Ram 6.7L/5.9L Diesel

$119.00
$119.00 $119.00
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🎁$100 off orders over $200 code: BF100

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Description

The Coolant Bypass Kit is essential for Dodge Ram 5.9L/6.7L diesel as it addresses the factory design flaw of insufficient coolant flow to rear cylinders. Without this modification, the restricted coolant circulation causes dangerous localized overheating, excessive pressure buildup, and ultimately leads to catastrophic failures like blown freeze plugs or permanent engine damage - issues commonly reported in unmodified diesel engines.

Key Features

  • Solves Overheating Issues: Specifically designed for 2003-2018 Dodge Ram 5.9L/6.7L diesel engines to improve coolant flow to rear cylinders, reducing excessive heat buildup and preventing blown freeze plugs or engine damage.
  • Enhances Engine Reliability: Balances temperatures across all six cylinders, minimizing thermal stress and extending engine life—prevents scored rear cylinders and catastrophic failures.
  • Leak-Proof, High-Quality Components: Includes braided stainless steel hoses and AN O-ring fittings for a secure, high-pressure-resistant installation.
  • Smart Temperature-Controlled Design (Superior to Competitors): Features a temperature-activated secondary thermostat (not pressure-based), proactively regulating coolant flow before overheating occurs.

Benefits

  • Reduces rear cylinder temps, ensuring balanced engine performance
  • Prevents blown freeze plugs, scored cylinders, and engine failure
  • Durable construction for long-term reliability
  • Backed by a 12-month warranty

Intake Manifold Details

3.5" Intake Manifold for 6.7L Cummins 2007-2018 Dodge Ram 2500/3500 All In One Kits | SPELAB

Unique Design Allows Better Installation Of The Intake Manifold.



Fitment

  • 2003-2007 Dodge Ram 5.9L Diesel (Only Manual Transmission)
  • 2007.5-2018 Dodge Ram 6.7L Diesel (Manual & Automatic Transmissions)

Fast Shipping Policy

Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date.

Easy Return Policy

Every order comes with a 14-day free return, which means you don't have to pay for a return slip.

  • One-Year Warranty
  • 14-Day Return
  • 4-12 Days To Arrive
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Didn’t find what you were looking for? Reach out below!

Frequently Asked Questions

What is a delete tuner?

A delete tuner is a device that reprograms yourtruck's ECM (computer) to turn off emissionssystems like the DPF, EGR, and DEF, allowing yourtruck to run without those components

Can l use a delete tuner withoutphysically removing TheDPF/DEF/EGR parts?

You MUST remove your DPF(Diesel ParticulateFilter), as the filter will clog and stop all exhaust flowwhen shut off. You will no longer need DEF(DieselExhaust Fluid), and you may remove your DEF tankif you wish, or it can sit empty. The EGR may remainas is, but we recommend removing the physicalparts as well.

Is a Delete Tune bad for mytruck's engine?

Quite the opposite. In fact, many customers reportimproved engine life, smoother shifting, and betterfuel economy (typically 3-5 MPG gains) when usinga quality delete tuner.

What's the difference between adelete tuner and a delete tune?

The tuner is the hardware device. The tune is thesoftware file that gets uploaded to your truck's ECM.Your delete tuner includes a delete tune when youpurchase from us.

Do delete tuners void my warranty?

Yes. Any emissions-related modification, includingtuning, can void the manufacturer's warranty. Manycustomers wait until after their warranty expiresbefore deleting.

Do l need a mechanic to install thetuner? How long does installationtake?

Not necessarily. Many of our customers install their delete tuner themselves in under 30 minutes. We include easy-to-follow instructions, and our support team is available if you need help.

Will my truck pass inspection oremissions testing with a deletetuner?

No. Delete tuners disable emissions systems, so your truck will not pass emissions tests in areas where they're required. Some states have exemptions (e.g. heavy-duty or rural-use trucks).

Can l go back to stock afterinstalling a delete tuner?

Yes. However, in most cases you will have to have the ECM flashed at the dealership. If this is a concern, contact our team and we can explain further.

Is the delete tune VlN-locked?

Yes. All delete tunes are VIN specific and will only work on one truck. The tuner (hardware device), may be used on multiple vehicles for diagnostic or monitoring purposes where applicable.

What support do l get with my tuner?

We offer lifetime customer support, step-by-step install guides, and remote help from our tuning team. You're never left hanging, even after the sale.