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This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.
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Ships directly from the supplier. The final shipping cost will be shown before payment.
- Ships from SPELAB
---tab Description---
Coolant Reservoir for 2013-2018 Dodge Ram 6.7L Diesel Coolant Overflow Tank | SPELAB
The factory plastic reservoir on your Dodge Ram 6.7L Diesel often turns brittle, cloudy, and leak-prone over time. SPELAB’s upgrade is a direct-fit replacement, made from TIG-welded 6061 aluminum for maximum strength and durability.
Why Upgrade to SPELAB?
SPELAB’s 6061 aircraft-grade aluminum coolant reservoir is TIG-welded and pressure-tested to deliver unmatched durability and leak resistance. Unlike stock plastic tanks made from two sealed halves, our one-piece aluminum design eliminates common failure points like cracking and seam separation.
Key
Features:
Premium 6061 Aluminum – Stronger and more heat-resistant than OEM plastic
TIG-Welded Construction – Ensures long-term reliability under pressure
Sight Glass Window – Easily monitor coolant levels at a glance
Internal baffles— help prevent cooling system starvation and air pockets
Improved Heat Dissipation – Helps manage engine temperature more efficiently
Specifications:
Brand
SPELAB
SKU
SPCS08598BK
Weight
2.99 KG
Type
Coolant Expansion Tank
Installation Level
Simple
fitment
2013-2018 Dodge Ram/Ram 2500HD 3500HD 6.7L Diesel
Fitment:
• 2013-2018 Dodge Ram/Ram 2500HD 3500HD for 6.7L Diesel
What's in the box?
• As picture show
User Manual:
Installation Instructions: Coolant Reservoir for 2013-2018 Dodge Ram 6.7L Diesel
---tab Fitment---
Vehicle Fitment (6.7L Cummins Diesel ONLY)
This Coolant Reservoir / Degas Bottle is designed to fit the following vehicles:
• 2013 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2014 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2015 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2016 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2017 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2018 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
Looking for a different vehicle?
If you need the Coolant Reservoir for 2011+ Dodge Charger, Challenger, or Chrysler 300C , please click here:
Coolant Reservoir / Coolant Overflow Tank for 2011+ Dodge Charger, Challenger & Chrysler 300C
---tab shipping & returns---
Fast Shipping Policy
Your order will be dispatched within 1-2 business days , and the package will arrive within your order's estimated date. Click for Shipping Policy
Easy Return Policy
Every order comes with a 14-day free return , which means you don't have to pay for a return slip. Click for Return Policy
---tab Blog & Video---
---tab Description---
Coolant Reservoir for 2013-2018 Dodge Ram 6.7L Diesel Coolant Overflow Tank | SPELAB
The factory plastic reservoir on your Dodge Ram 6.7L Diesel often turns brittle, cloudy, and leak-prone over time. SPELAB’s upgrade is a direct-fit replacement, made from TIG-welded 6061 aluminum for maximum strength and durability.
Why Upgrade to SPELAB?
SPELAB’s 6061 aircraft-grade aluminum coolant reservoir is TIG-welded and pressure-tested to deliver unmatched durability and leak resistance. Unlike stock plastic tanks made from two sealed halves, our one-piece aluminum design eliminates common failure points like cracking and seam separation.
Key
Features:
Premium 6061 Aluminum – Stronger and more heat-resistant than OEM plastic
TIG-Welded Construction – Ensures long-term reliability under pressure
Sight Glass Window – Easily monitor coolant levels at a glance
Internal baffles— help prevent cooling system starvation and air pockets
Improved Heat Dissipation – Helps manage engine temperature more efficiently
Specifications:
Brand
SPELAB
SKU
SPCS08598BK
Weight
2.99 KG
Type
Coolant Expansion Tank
Installation Level
Simple
fitment
2013-2018 Dodge Ram/Ram 2500HD 3500HD 6.7L Diesel
Fitment:
• 2013-2018 Dodge Ram/Ram 2500HD 3500HD for 6.7L Diesel
What's in the box?
• As picture show
User Manual:
Installation Instructions: Coolant Reservoir for 2013-2018 Dodge Ram 6.7L Diesel
---tab Fitment---
Vehicle Fitment (6.7L Cummins Diesel ONLY)
This Coolant Reservoir / Degas Bottle is designed to fit the following vehicles:
• 2013 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2014 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2015 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2016 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2017 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
• 2018 Ram 2500HD, 3500HD (Equipped with 6.7L Cummins Diesel)
Looking for a different vehicle?
If you need the Coolant Reservoir for 2011+ Dodge Charger, Challenger, or Chrysler 300C , please click here:
Coolant Reservoir / Coolant Overflow Tank for 2011+ Dodge Charger, Challenger & Chrysler 300C
---tab shipping & returns---
Fast Shipping Policy
Your order will be dispatched within 1-2 business days , and the package will arrive within your order's estimated date. Click for Shipping Policy
Easy Return Policy
Every order comes with a 14-day free return , which means you don't have to pay for a return slip. Click for Return Policy
---tab Blog & Video---
SPELAB Auto Parts: 1 year from delivery; supplier conditions apply. SPELAB offers a one-year limited warranty from delivery for material/workmanship defects under normal use, original purchaser only, with proof of purchase. Consumables, wear/cosmetic damage, improper installation, alteration, misuse and removal/installation labor are excluded. Approved remedies are repair, replacement or replacement parts at SPELAB’s discretion.
Return and warranty information is based on what SPELAB Auto Parts offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
SPELAB Auto Parts warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what SPELAB Auto Parts offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
- Return eligibility
- SPELAB allows return requests within 30 days of delivery, with authorization and undamaged goods, original packaging and accessories. Tuners are final sale. Customer pays voluntary return shipping; original shipping is not refunded. SPELAB pays return shipping for approved damaged, incorrect or manufacturing-defective items. Transit damage must be reported within two business days and incorrect items within seven days. Based on what SPELAB Auto Parts offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- SPELAB Auto Parts
- Warranty duration
- 1 year from delivery; supplier conditions apply
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–10 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- SPELAB Auto Parts
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.