Engine Oil Manufacturer Smith & Allan has paused sales of its Momentum C3 SWTL 5W-30 engine oil following a VLS investigation regarding claims against the Stellantis FPW 9.55535/03 specification. In 2025, the Verification of Lubricant Specifications (UK) Ltd (VLS), an independent and impartial body which investigates lubricant product complaints, announced a market-wide investigation into engine oils making claims against the Stellantis FPW 9.55535/03 specification. The Stellantis FPW9.55535/03 5W 30 engine oil specification is mandated for a broad range of modern Stellantis vehicles, particularly those with… Read more »
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