{"product_id":"boundary-nissan-vq-3-5l-3-7l-vhr-oil-pump-assembly-w-martenwear-treatment","title":"Boundary MartenWear Oil Pump for Nissan VQ VHR 3.5L and 3.7L","description":"\u003ch4\u003eBuild a VQ VHR oiling system around a treated billet gear\u003c\/h4\u003e\u003cp\u003eBoundary VQ-S1-VHR-M is a Stage 1 oil pump assembly for Nissan and Infiniti VQ VHR 3.5L and 3.7L engine builds. The OEM-based housing is fitted with Boundary's mirror-finished billet steel gear and MartenWear treatment, then assembled for consistent high-RPM oil control.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStage 1 assembled VQ VHR oil pump\u003c\/li\u003e\n\u003cli\u003eFits the VQ VHR 3.5L and 3.7L engine family\u003c\/li\u003e\n\u003cli\u003eMirror-finished billet steel pump gear\u003c\/li\u003e\n\u003cli\u003eMartenWear treated gear surface\u003c\/li\u003e\n\u003cli\u003eOEM-based pump housing\u003c\/li\u003e\n\u003cli\u003eFlow-tested assembly for performance engine service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication Type\u003c\/th\u003e\n\u003cth\u003eRequirements\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eEngine-family specific\u003c\/td\u003e\n\u003ctd\u003eNo year-make-model fitment applies. Confirm the exact engine family, oil-pump housing, crank drive, clearances, pressure requirements, and complete build specification.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eVQ-S1-VHR-M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Family\u003c\/td\u003e\n\u003ctd\u003eNissan\/Infiniti VQ VHR 3.5L and 3.7L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eStage 1 complete oil pump assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear\u003c\/td\u003e\n\u003ctd\u003eBillet steel with MartenWear treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eOEM-based housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Type\u003c\/td\u003e\n\u003ctd\u003eEngine-family specific; no year-make-model mapping supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOne assembled VQ VHR Stage 1 oil pump with MartenWear-treated billet gear\u003c\/li\u003e\n\u003cli\u003eBillet back plate, seals, pickup tube, fluids, and engine-build consumables are not included in this configuration unless present in the sealed manufacturer package.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Boundary\u003c\/h4\u003e\u003cp\u003eBoundary engineers application-specific components around exact dimensions, materials, and operating requirements. Use the complete manufacturer part number and application data when matching companion parts or service procedures.\u003c\/p\u003e\u003ch4\u003eRelated Parts\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eNo internal product link is included because related components must match the exact vehicle or engine, axle position, dimensions, and service configuration.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the VQ-S1-VHR-M?\u003c\/strong\u003e\u003cp\u003eIt is the exact Boundary oil pump assembly configuration described by the specifications and application table on this page.\u003c\/p\u003e\u003cstrong\u003eIs this sold as a complete vehicle set?\u003c\/strong\u003e\u003cp\u003eOnly the components listed in the What's Included section are supplied. Quantities and companion parts must be confirmed before installation.\u003c\/p\u003e\u003cstrong\u003eCan fitment be selected by appearance?\u003c\/strong\u003e\u003cp\u003eNo. Match the part number and every application, position, dimension, engine, and configuration requirement.\u003c\/p\u003e\u003cstrong\u003eIs professional installation recommended?\u003c\/strong\u003e\u003cp\u003eYes. Suspension, engine-oiling, and brake work affects vehicle safety or engine durability and should be completed by a qualified technician.\u003c\/p\u003e\u003cstrong\u003eAre unrelated seals, fluids, or tools included?\u003c\/strong\u003e\u003cp\u003eNo. Consumables, fluids, tools, and unlisted companion components must be sourced separately.\u003c\/p\u003e\u003cstrong\u003eShould paired components be serviced together?\u003c\/strong\u003e\u003cp\u003eFollow the vehicle and manufacturer service procedure. Axle-side suspension and brake components are commonly inspected and serviced in pairs.\u003c\/p\u003e\u003cstrong\u003eDoes the finish change compatibility?\u003c\/strong\u003e\u003cp\u003eNo. Finish describes corrosion, heat, or appearance characteristics; compatibility still depends on the exact configuration.\u003c\/p\u003e\u003cstrong\u003eWhat should be checked after installation?\u003c\/strong\u003e\u003cp\u003eVerify fastener torque, clearances, leaks or fluid level where applicable, and correct operation before normal use.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eConfirm the engine family, pump drive, housing, clearances, and oiling-system requirements with the engine builder before assembly.\u003c\/li\u003e\n\u003cli\u003eReview the current manufacturer and vehicle service instructions and gather all required replacement fasteners, seals, fluids, and tools.\u003c\/li\u003e\n\u003cli\u003eSupport the vehicle or engine safely and remove the original component without damaging mating surfaces, sensors, lines, or adjacent hardware.\u003c\/li\u003e\n\u003cli\u003eCompare the new part with the removed component and verify every mount, dimension, connection, and supplied component before installation.\u003c\/li\u003e\n\u003cli\u003eInstall the part in the specified orientation and tighten fasteners in the documented sequence and torque stages.\u003c\/li\u003e\n\u003cli\u003eComplete any required bleeding, priming, alignment, calibration, or leak check, then inspect the installation again after the initial service cycle.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Boundary","offers":[{"title":"Default Title","offer_id":68119837933647,"sku":"BOUVQ-S1-VHR-M","price":780.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/bak-VQ-S1-VHR-M-oil-pump-assembly-01.webp?v=1794457514","url":"https:\/\/www.blackopsautoworks.com\/products\/boundary-nissan-vq-3-5l-3-7l-vhr-oil-pump-assembly-w-martenwear-treatment","provider":"Black Ops Auto Works","version":"1.0","type":"link"}