{"product_id":"new-12v-11t-starter-motor-sr578x-10455702-17091-fits-chevrolet-corvette-5-7l-350ci-v8-1990-1991-8","title":"New 12V 11T Starter Motor SR578X 10455702 17091 OSGR 1.4kW Denso Chevrolet L98 5.7L V8 for Chevrolet Corvette C4 5.7L 350CI V8 L98 TPI 1988-1991","description":"\u003ch3\u003e✅ Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Chevrolet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e Chevrolet L98 5.7L V8 TPI (Tuned Port Injection) \/ 350CI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM \/ Cross Reference Part Numbers:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDenso:\u003c\/strong\u003e 128000-495, 128000-4950, 128000-4951\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelco \/ GM:\u003c\/strong\u003e 10455702, 10465024, 1998578\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBosch:\u003c\/strong\u003e SR578X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLester:\u003c\/strong\u003e 17091\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Chevrolet Corvette C4:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Corvette C4 5.7L V8 L98 TPI (1988–1991) — all transmissions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote on VIN 8:\u003c\/strong\u003e The “8” in the original fitment reference is the \u003cstrong\u003eVIN position 8 engine code\u003c\/strong\u003e identifying the \u003cstrong\u003eL98 5.7L V8 TPI\u003c\/strong\u003e engine. All 1988–1991 Corvette C4 models with the L98 5.7L V8 TPI engine (VIN code 8) are covered by this starter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Verify your Corvette model year, engine (L98 VIN code 8), and existing starter part number before ordering. Contact us with your VIN for fitment confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e🔧 Product Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement:\u003c\/strong\u003e Drop-in fit for Chevrolet Corvette C4 L98 5.7L V8 TPI applications — matches original Denso OSGR 12V \/ 11-tooth CW, 1.4kW, 2-bolt 10mm unthreaded mount specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDenso OEM Starter — Original Equipment Supplier for the Corvette C4 L98 5.7L V8:\u003c\/strong\u003e Denso is the original equipment supplier for the Corvette C4 L98 5.7L V8 TPI starter motor — the 128000-4950 \/ 10455702 is the Denso \/ GM OEM reference for the 1988–1991 Corvette C4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevrolet Corvette C4 — America’s Sports Car in Its Most Celebrated Era:\u003c\/strong\u003e The Chevrolet Corvette C4 (1984–1996) is one of the most beloved and widely collected generations of America’s iconic sports car. The 1988–1991 C4 with the L98 5.7L V8 TPI represents the peak of the C4’s original L98 engine era — before the introduction of the legendary LT1 in 1992. These years are among the most sought-after by Corvette C4 collectors and restorers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL98 5.7L V8 TPI — The Engine That Revived the Corvette:\u003c\/strong\u003e The Chevrolet L98 5.7L V8 with Tuned Port Injection (TPI) is the engine that revived the Corvette’s performance reputation in the 1980s — delivering smooth power delivery, improved fuel efficiency, and the distinctive TPI intake manifold that became an icon of 1980s American performance engineering. The L98 TPI is celebrated among Corvette enthusiasts and classic car collectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1991 Corvette C4 — The Final Years of the L98 Era:\u003c\/strong\u003e The 1988–1991 model years represent the final and most refined years of the Corvette C4 L98 era — featuring the ZR-1 introduction in 1990 alongside the standard L98, making these years particularly significant in Corvette history. The 1990–1991 C4 with VIN engine code 8 (L98) is among the most collectible C4 Corvettes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores Reliable Engine Cranking:\u003c\/strong\u003e Corrects no-crank, slow cranking, and starter engagement failure on Chevrolet Corvette C4 L98 5.7L V8 TPI applications (1988–1991)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× Starter Motor 12V \/ 11T OSGR CW 1.4kW (128000-4950 \/ 10455702) — New Aftermarket\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDenso Part Numbers:\u003c\/strong\u003e 128000-495, 128000-4950, 128000-4951\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelco \/ GM Part Numbers:\u003c\/strong\u003e 10455702, 10465024, 1998578\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBosch Part Number:\u003c\/strong\u003e SR578X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 1.4kW \/ 1.88HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinion Teeth:\u003c\/strong\u003e 11T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e Clockwise (CW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e OSGR (Over-running Sprag Gear Reduction)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 2-bolt 10mm unthreaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8.7 lbs \/ 3.95 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e Chevrolet L98 5.7L V8 TPI (350CI) — VIN engine code 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Vehicle:\u003c\/strong\u003e Chevrolet Corvette C4 5.7L V8 L98 TPI (1988–1991)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 128000-4950\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e⚠️ Please verify your Corvette model year, engine code (L98 \/ VIN position 8), and existing starter part number before purchasing. Contact us with your VIN if unsure — we are happy to confirm fitment for your Corvette C4.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Parts Depot","offers":[{"title":"Default Title","offer_id":47476037615772,"sku":"128000-4950","price":472.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/new-12v-11t-starter-motor-sr578x-10455702-17091-osgr-14kw-denso-chevrolet-l98-57l-v8-for-chevrolet-corvette-c4-57l-350ci-v8-l98-tpi-1988-1991-8875096.jpg?v=1787759529","url":"https:\/\/fuelpartsdepot.com\/en-ca\/products\/new-12v-11t-starter-motor-sr578x-10455702-17091-fits-chevrolet-corvette-5-7l-350ci-v8-1990-1991-8","provider":"Fuel Parts Depot","version":"1.0","type":"link"}