Volvo VN/VNL/VNM Coolant Reservoir / Expansion Tank (1998–2003) – Replaces 1674916 / 1674922

Restore cooling system performance on your Volvo truck with the ROADWEST 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)