Volvo VN/VNL/VNM Coolant Reservoir / Expansion Tank (1998–2003) – Replaces 1674916 / 1674922
Warranty Information
ROADWEST stands behind the parts we sell. Unless otherwise stated on the product page, your purchase is covered by a 1-Year Limited Warranty against manufacturing defects under normal use.
What’s covered
- Defects in materials or workmanship
- Premature failure caused by factory-related issues
What’s not covered
- Normal wear and tear, cosmetic aging, corrosion from environment/road salt
- Damage from improper installation, incorrect wiring, modifications, misuse, or accidents
- Labor costs (installation/removal), downtime, towing, or other indirect costs
How to file a claim
Contact us with:
- Order number
- Product name / SKU
- Clear photos or a short video showing the issue
If approved, ROADWEST will provide an appropriate resolution (replacement parts, replacement unit, or refund/credit).
Please do not send items back without return authorization.
For more details, see our Shipping Policy, Easy Return & Refund Policy, and Warranty pages.
Shipping & Returns
Most ROADWEST orders ship from our U.S. warehouses within 1–2 business days. Standard ground delivery in the contiguous United States is typically 1–3 business days, with freight service used for oversized or extra-heavy parts.
- Shipping area: United States only (no PO Boxes or international addresses).
- Processing time: In-stock items usually ship within 1–2 business days, Mon–Fri.
- Delivery: Standard ground or LTL freight depending on size and weight.
- Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines.
- Costs: Original and return shipping are generally the customer’s responsibility, unless the issue is caused by ROADWEST (wrong item, damaged on arrival, etc.).
For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.
Restore cooling system performance on your Volvo truck with the High Soar Engine Coolant Reservoir Tank. This premium replacement coolant overflow tank is engineered for a direct fit on Volvo VN, VNL and VNM models and cross-references multiple OE part numbers for easy selection and ordering.
Manufactured from quality, heat- and vibration-resistant materials, the reservoir is built for the harsh conditions of heavy duty operation. It helps maintain correct coolant volume, prevents continuous air ingress and supports stable engine temperatures under load, whether you are running regional haul or long-distance routes.
Designed as an OE-style replacement, this expansion tank matches the original mounting points and connection locations, making installation straightforward for fleet maintenance teams and owner-operators alike.
- Direct aftermarket replacement – Fits Volvo VN 1998–1999, Volvo VNL 2000–2003, Volvo VNM 2000–2003, replacing multiple OE coolant tank part numbers.
- OE cross-reference – Compatible with OE 1674916, 1674922, 20517007, 21399626, 8140024, 8149506, A2120073001 to simplify part lookup.
- Durable construction – Built from quality materials to withstand underhood heat, engine vibration and long service life in heavy duty applications.
- Ideal solution – Engineered for seamless installation, helping to avoid continuous air ingress and reduce oxidative corrosion inside the cooling system.
- Stable cooling performance – Works with the radiator and cooling circuit to control coolant volume and flow so the engine reaches working temperature quickly and stays within a safe range.
- Maintenance-friendly – A clean, new reservoir makes it easier to visually monitor coolant level and identify leaks compared to old, discolored or cracked tanks.
- Fitment note – Always confirm your Volvo model, year and OE number before purchasing to ensure this premium radiator coolant overflow tank matches your application.
Package Includes:
- 1 × Engine Coolant Reservoir / Overflow Expansion Tank (Volvo VN / VNL / VNM style)
| Brand | High Soar |
|---|---|
| Product Type | Engine Coolant Reservoir Tank / Expansion Overflow Tank |
| Compatible Vehicles |
Volvo VN 1998–1999 Volvo VNL 2000–2003 Volvo VNM 2000–2003 |
| OE Cross Reference | 1674916, 1674922, 20517007, 21399626, 8140024, 8149506, A2120073001 |
| Vehicle Service Type | Heavy Duty Truck / Semi Truck – Volvo VN / VNL / VNM Series |
| Material | Premium coolant-resistant construction designed for heat and vibration |
| Fit Type | Vehicle Specific – Volvo VN, VNL, VNM (model years listed) |
| Function | Stores and manages coolant overflow, helps avoid air ingress and supports stable engine operating temperature |
| Installation | Direct bolt-in replacement; OE-style mounting and connections for a clean installation |
| Usage Scenarios | Fleet maintenance, engine cooling repairs, replacement of cracked or leaking factory coolant tank |
| Notes | Verify OE number and truck model/year before purchasing to ensure proper fit |