{"product_id":"walbro-fuel-pump-gsl-in-line-255-lph-10-mm-x-1-00-female-fittings-gasoline","title":"Walbro Fuel Pump GSL In-Line — 255 LPH, 10 mm x 1.00 Female Fittings, Gasoline","description":"\u003cp\u003e\u003cstrong\u003eWalbro's GSL in-line electric fuel pump delivers up to 255 liters per hour of gasoline flow through 10 mm x 1.00 female inlet and outlet fittings for reliable EFI performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, in-line Walbro fuel pump is designed for electronic fuel injection systems and high-demand applications such as turbocharged or supercharged engines. Manufactured under TI Automotive, these pumps meet OE-style form and function while offering a direct-replacement fit for older vehicles like the 1985–1987 Honda Prelude and many modern EFI conversions. The pump is sold individually and intended solely for gasoline use.\u003c\/p\u003e\n\n\u003ch3\u003eHow much fuel can this pump move and where does it install?\u003c\/h3\u003e\n\u003cp\u003eThis Walbro GSL unit pumps up to 255 liters per hour (LPH), making it suitable for many street and performance EFI setups. It is an in-line, external pump that mounts along the fuel line between the tank and the engine, not inside the tank.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlow rate: 255 LPH continuous capacity\u003c\/li\u003e\n  \u003cli\u003eConnection type: 10 mm x 1.00 female inlet and outlet\u003c\/li\u003e\n  \u003cli\u003eMounting: external\/in-line installation on fuel line\u003c\/li\u003e\n  \u003cli\u003eFuel compatibility: gasoline (petrol) only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my vehicle or performance build?\u003c\/h3\u003e\n\u003cp\u003eThe pump fits many EFI systems and is a documented replacement for the 1985–1987 Honda Prelude. It also suits turbocharged and supercharged engines where increased fuel flow is required. Verify inlet\/outlet thread size and electrical compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStock replacement fit for Honda Prelude (1985–1987)\u003c\/li\u003e\n  \u003cli\u003eCompatible with most EFI conversions and aftermarket fuel systems\u003c\/li\u003e\n  \u003cli\u003eCheck that your fuel hose\/adapters match 10 mm x 1.00 female fittings\u003c\/li\u003e\n  \u003cli\u003eConfirm your vehicle’s electrical supply and relay capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the product origin and brand details?\u003c\/h3\u003e\n\u003cp\u003eAlthough branded Walbro, this pump is manufactured by TI Automotive, the company that owns the Walbro name. New Walbro pumps are stamped with the TI Automotive mark but retain Walbro engineering and specifications. The pump ships as a single unit and includes no additional accessories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer: TI Automotive (Walbro brand owner)\u003c\/li\u003e\n  \u003cli\u003eLabeling: new pumps carry the TI Automotive stamp\u003c\/li\u003e\n  \u003cli\u003eSold: individually — fuel pump only, no fittings or wiring harness included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I plan installation and supporting parts?\u003c\/h3\u003e\n\u003cp\u003eInstall the pump inline using suitable fuel-rated hose, clamps, and an appropriate fuel pump relay and fuse. Use anti-vibration mounts where possible and position the pump to avoid excessive heat; follow good practice for wiring and fuel line routing to ensure long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse fuel-rated hose or adapter fittings for 10 mm x 1.00 threads\u003c\/li\u003e\n  \u003cli\u003eInstall a dedicated relay and fuse sized for pump current draw\u003c\/li\u003e\n  \u003cli\u003eMount away from exhaust heat and use vibration isolators\u003c\/li\u003e\n  \u003cli\u003ePrime and test the system for leaks before full operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Walbro GSL 255 LPH in-line pump is aimed at enthusiasts and mechanics upgrading or replacing fuel delivery on EFI engines that require a moderate-to-high flow external pump. It's ideal for classic cars seeking OE-style replacement pumps, as well as street and mildly tuned forced-induction applications. Ensure fitment, electrical capacity, and fuel compatibility before purchase; if you need higher flow or an in-tank solution, consider other Walbro models designed for those roles.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this pump compatible with ethanol blends?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for gasoline; check pump materials and manufacturer guidance before using high ethanol blends.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the pump include wiring or fittings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The pump is sold alone; you must supply hose, adapters, and wiring harness components.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Walbro","offers":[{"title":"Default Title","offer_id":48080117661854,"sku":"B000ED8KTG","price":162.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/walbro-gsl-front-view.jpg?v=1785779056","url":"https:\/\/northtrailauto.ca\/products\/walbro-fuel-pump-gsl-in-line-255-lph-10-mm-x-1-00-female-fittings-gasoline","provider":"North Trail Auto","version":"1.0","type":"link"}