{"product_id":"xdp-stock-power-steering-gearbox-new-xd748-2011-2021-6-6l-duramax","title":"XDP STOCK+ POWER STEERING GEARBOX (NEW) XD748 | 2011-2021 6.6L DURAMAX","description":"\u003cp\u003eRestore precise steering control in your Chevrolet Silverado or GMC Sierra 2500HD\/3500HD with the XDP Stock+ Power Steering Gearbox XD748. Designed as a direct-fit replacement for a worn or damaged factory steering gearbox, this upgraded unit helps restore steering responsiveness, control, and dependable operation.\u003c\/p\u003e\n\n\u003cp\u003eOver time, internal steering gearbox components such as the worm gear, sector gear, and bearings can wear due to normal use, rough road conditions, and fluid leaks. Common symptoms of a failing steering gearbox include excessive steering wheel play, vehicle wandering, difficulty turning, fluid leaks, and unusual grinding or clunking noises.\u003c\/p\u003e\n\n\u003cp\u003eUnlike remanufactured steering gearboxes, the \u003cstrong\u003eXDP Stock+ Power Steering Gearbox is manufactured using 100% new components\u003c\/strong\u003e for dependable performance and long service life. Its direct-fit, bolt-on design maintains compatibility with the factory pitman arm and steering shaft, simplifying installation without requiring custom modifications.\u003c\/p\u003e\n\n\u003cp\u003eEach gearbox is completely new and requires \u003cstrong\u003eno core charge\u003c\/strong\u003e, eliminating the need to return your original steering gearbox.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% new construction\u003c\/strong\u003e – Manufactured entirely from new components, not remanufactured parts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-fit replacement\u003c\/strong\u003e – Designed to replace the factory power steering gearbox\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRestores steering performance\u003c\/strong\u003e – Helps correct excessive steering play and poor steering responsiveness caused by a worn gearbox\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory pitman arm compatibility\u003c\/strong\u003e – Designed to work with the original pitman arm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory steering shaft compatibility\u003c\/strong\u003e – Connects to the original steering shaft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower-assisted steering\u003c\/strong\u003e – Maintains factory-style hydraulic power steering operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo core charge\u003c\/strong\u003e – No original gearbox return required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-year\/unlimited-mileage warranty\u003c\/strong\u003e – Warranty coverage subject to current XDP terms and conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Power Steering Gearbox\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e 100% New Components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Shaft Diameter:\u003c\/strong\u003e 0.66\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Shaft Diameter:\u003c\/strong\u003e 1.63\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Assisted:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Port Thread Size:\u003c\/strong\u003e M18 x 1.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReturn Port Thread Size:\u003c\/strong\u003e M16 x 1.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Turns Lock-to-Lock:\u003c\/strong\u003e 3.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore Charge:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Years \/ Unlimited Mileage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for compatible Chevrolet Silverado and GMC Sierra 2500HD\/3500HD applications.\u003c\/li\u003e\n  \u003cli\u003eCompatible with the factory pitman arm and steering shaft.\u003c\/li\u003e\n  \u003cli\u003eVerify vehicle year, model, and steering system compatibility before ordering.\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer installation procedures and properly bleed the power steering system after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Chevrolet Silverado \u0026amp; GMC Sierra 2500HD\/3500HD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e XD748\u003c\/p\u003e","brand":"Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":54177565507867,"sku":"XD748","price":753.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-10-09at9.43.25AM.png?v=1791701440","url":"https:\/\/wwmperformance.com\/products\/xdp-stock-power-steering-gearbox-new-xd748-2011-2021-6-6l-duramax","provider":"WWM Performance","version":"1.0","type":"link"}