The 25121293 fuel filter is designed for the Buick Regal, supporting clean fuel delivery and dependable system operation across city routes, long-distance driving, and mixed conditions. It installs directly into the OE mounting position and provides consistent filtration performance for gasoline engines. The filter protects the injection system from harmful contaminants and supports efficient combustion.
Filtration System in the 【Buick Regal Fuel Filter】
This fuel filter uses multilayer filtration media made from cellulose and synthetic fibers. The layered structure increases contaminant capture efficiency while maintaining smooth fuel flow. It removes rust particles, dust residue, fine sediment, and moisture traces from the fuel supply. Clean fuel supports stable ignition and precise injector performance.
The filtration media inside the 25121293 is engineered to maintain shape during temperature changes and pressure fluctuations. It provides long service durability and keeps fuel circulation stable. Consistent filtration performance supports smoother acceleration and balanced engine operation under various conditions.
Durable Housing and Internal Structural Support
The reinforced metal housing provides strong resistance to pressure pulses from the fuel pump. It stays secure during cold starts, highway operation, and extended driving sessions. The internal support frame prevents media collapse and maintains predictable flow paths.
A key specification for this filter is its size: 125 × 55 / 9.5 – M16×1.5. These dimensions ensure accurate installation, reliable sealing, and secure connection to the Regal’s fuel line configuration. The sealing components use fuel-resistant materials for long-term stability.
Flow Stability and Engine Protection
The 25121293 fuel filter maintains balanced fuel pressure for the Buick Regal engine. Stable pressure helps support smooth combustion, consistent power output, and reduced injector strain. Clean fuel promotes long-term durability and supports dependable engine operation during daily commuting and long-distance travel.
The Buick Regal Fuel Filter performs well in stop-and-go traffic, suburban routes, and extended highway driving. Its strong filtration ability supports engine smoothness and helps prevent performance loss related to contaminated fuel.
Reliable Maintenance Choice
The 25121293 provides OE-level compatibility, efficient contaminant removal, and strong structural integrity. It is a dependable replacement option for routine Buick Regal maintenance. The multilayer media and reinforced housing help maintain clean fuel supply and long-term engine protection.
