{"product_id":"acdelco-gear-marking-compound-grease-for-ring-and-pinion-10-5055-dark-yellow-high-contrast-multi-purpose","title":"ACDelco gear marking compound grease for ring and pinion — 10-5055 dark yellow, high-contrast, multi-purpose","description":"\u003cp\u003e\u003cstrong\u003eACDelco GM Original Equipment 10-5055 Multi-Purpose Compound is a dark-yellow gear-marking grease designed to visibly mark ring gear teeth so technicians can identify and adjust contact patterns accurately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis professional-grade gear marking compound from ACDelco is formulated for high contrast and ease of use when checking ring-gear-to-pinion contact points. Its dark yellow color stands out against metal surfaces, helping mechanics and driveline specialists quickly inspect wear patterns and setup alignments during rebuilds, differential services, or gear installations. Note: Not for sale in California and certain other states; intended for professional use only.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this compound make ring gear inspections faster and clearer?\u003c\/h3\u003e\n\u003cp\u003eThe compound spreads evenly across the ring gear teeth and leaves a consistent, high-contrast tracing that reveals where the pinion contacts the ring. That clear visual feedback lets technicians adjust backlash, pinion depth, and shimming with confidence. It reduces guesswork and the need for repeated trial assemblies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDark yellow pigment maximizes visibility on steel gear surfaces.\u003c\/li\u003e\n  \u003cli\u003eGreasy consistency adheres well without flaking or running.\u003c\/li\u003e\n  \u003cli\u003eShows continuous contact bands for precise pattern analysis.\u003c\/li\u003e\n  \u003cli\u003eSuitable for multiple passes during setup and verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and repair tasks is this compound suited for?\u003c\/h3\u003e\n\u003cp\u003eThis multi-purpose marking grease works across a wide range of automotive and light truck differentials, transfer cases, and manual gearsets. It’s especially useful when rebuilding or setting up hypoid and spiral bevel gears where accurate contact patterns are critical. The formula is intended for professional shops handling drivetrain assemblies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for differential ring-and-pinion pattern checking.\u003c\/li\u003e\n  \u003cli\u003eUseful in transfer-case and gearbox assembly verification.\u003c\/li\u003e\n  \u003cli\u003eWorks on both OEM and aftermarket gear components.\u003c\/li\u003e\n  \u003cli\u003eCompatible with typical workshop solvents for cleanup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you apply and remove the marking grease safely?\u003c\/h3\u003e\n\u003cp\u003eApply a thin, even coat to several teeth on the ring gear, rotate the pinion slowly under load or with a seating tool, then inspect the contact band left by the pinion. Remove excess with a suitable solvent and clean rag before final assembly. Follow shop safety practices and local regulations for handling and disposal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a brush or gloved finger for a controlled, thin layer.\u003c\/li\u003e\n  \u003cli\u003eRotate gears under controlled torque to produce an accurate trace.\u003c\/li\u003e\n  \u003cli\u003eClean with approved solvents; avoid contamination of bearings and seals.\u003c\/li\u003e\n  \u003cli\u003eObserve all professional safety and environmental procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there usage limitations or regulatory notes I should know?\u003c\/h3\u003e\n\u003cp\u003eThis product is labeled for professional use only and is restricted from sale in California and certain other jurisdictions. It contains substances subject to local safety warnings; handle in ventilated areas and use appropriate PPE. Do not use the compound as a permanent lubricant—it’s intended only for pattern-marking and inspection tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot for retail sale in California and other specified states.\u003c\/li\u003e\n  \u003cli\u003eFor professional\/service-shop use; follow workplace regulations.\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for assembly lubricants or operational greases.\u003c\/li\u003e\n  \u003cli\u003eDispose of residues per local hazardous-waste guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: ACDelco GM Original Equipment 10-5055 Multi-Purpose Compound is made for professional mechanics, driveline rebuilders, and service technicians who need a reliable, high-visibility marking grease to set and verify ring-and-pinion contact patterns. If you rebuild differentials, perform final gear setups, or routinely troubleshoot gear noise and wear, this compound streamlines inspection work and improves adjustment accuracy.\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: Can I use this compound as a permanent lubricant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This grease is for marking and inspection only, not as a long-term lubricant or assembly grease.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product sold in California?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It is not for sale in California and certain other jurisdictions; intended for professional use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":48086888939678,"sku":"B007Q10TES","price":30.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/acdelco-front-tube-gear-marking-compound.jpg?v=1785909206","url":"https:\/\/northtrailauto.ca\/products\/acdelco-gear-marking-compound-grease-for-ring-and-pinion-10-5055-dark-yellow-high-contrast-multi-purpose","provider":"North Trail Auto","version":"1.0","type":"link"}