{"product_id":"moog-greaseable-super-strength-u-joint-377-for-jeep-wrangler-heavy-duty-re-lubricable","title":"MOOG Greaseable Super Strength U-Joint 377 for Jeep Wrangler — Heavy-Duty, Re-lubricable","description":"\u003cp\u003e\u003cstrong\u003eMOOG 377 Greaseable Super Strength universal joint is a heavy-duty, serviceable replacement designed to restore reliable driveline performance in compatible Jeep, Dodge and select pickup applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and tested by MOOG engineers, this Super Strength® U-joint uses premium materials and a greasable construction to handle higher torque loads while resisting corrosion and contamination. Its radial-bearing cups and nitrile seals let you re-lubricate the joint for extended service life, and MOOG’s MICRO SHIELD® coating helps keep rust at bay. If your vehicle shows driveline vibration, noise, or a worn U-joint, this part is built for straightforward installation and long-term durability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this U-joint improve driveline reliability?\u003c\/h3\u003e\n\u003cp\u003eThe MOOG 377 is engineered for strength and endurance: its steel cross is forged and heat-treated while the bearing cups are cold-forged, case-hardened, and precision ground. These manufacturing steps reduce wear and resist deformation under load, which translates to steadier power transfer and longer component life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForged, carburized and heat-processed steel cross for high-load strength\u003c\/li\u003e\n  \u003cli\u003eCold-forged, case-hardened bearing cups for wear resistance\u003c\/li\u003e\n  \u003cli\u003ePrecision grinding reduces friction and vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and protection features does the MOOG 377 include?\u003c\/h3\u003e\n\u003cp\u003eThis U-joint is greasable and fitted with radial-bearing cups to distribute lubricant evenly to all bearing surfaces, enabling routine re-lubrication. Nitrile seals retain grease and block dirt, while MOOG’s MICRO SHIELD® coating adds extra corrosion protection for under-vehicle exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGrease fitting with 360° radial lubrication distribution\u003c\/li\u003e\n  \u003cli\u003eNitrile seals for grease retention and debris exclusion\u003c\/li\u003e\n  \u003cli\u003eMICRO SHIELD® corrosion-resistant coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my vehicle, and how do I confirm compatibility?\u003c\/h3\u003e\n\u003cp\u003eMOOG provides broad coverage across domestic and select foreign nameplates, but fitment varies by year, model, engine and trim. Always use the vehicle lookup or the “Amazon Confirmed Fit” tool to verify compatibility; check any product notes indicated by an information icon for exceptions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck year, make, model, engine and trim before ordering\u003c\/li\u003e\n  \u003cli\u003eUse the fitment tool and review qualifier notes where applicable\u003c\/li\u003e\n  \u003cli\u003eContact seller or reference OEM specs if unsure about fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation, and what should I expect?\u003c\/h3\u003e\n\u003cp\u003eMOOG parts are engineered for straightforward, hassle-reducing installation; this U-joint is designed to replace worn universal joints with common tools and standard press or driver methods. Expect improved driveline smoothness after correct installation and proper lubrication.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eServiceable greasable fitting simplifies post-install maintenance\u003c\/li\u003e\n  \u003cli\u003eStandard press or driver installation—no special adapters required for most applications\u003c\/li\u003e\n  \u003cli\u003eFollow torque and fitment specifications for safe operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MOOG 377 Greaseable Super Strength U-joint is aimed at DIY mechanics, shop technicians and fleet owners who need a robust, serviceable replacement for worn universal joints on compatible Jeep, Dodge and pickup applications. If you prioritize durability, the ability to re-grease in service, and added corrosion protection for an under-vehicle part, this MOOG U-joint is a solid choice.\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 the MOOG 377 greasable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it features a grease fitting and radial-bearing cups for 360° lubricant distribution to all bearing surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm this fits my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use the vehicle lookup or the Amazon Confirmed Fit tool and enter year, make, model, engine and trim; check any additional notes shown.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MOOG","offers":[{"title":"Default Title","offer_id":67590423740601,"sku":"B009HQJPAY","price":69.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/moog-377-front-view-assembled.jpg?v=1790534616","url":"https:\/\/redleafauto.ca\/products\/moog-greaseable-super-strength-u-joint-377-for-jeep-wrangler-heavy-duty-re-lubricable","provider":"Redleaf Auto","version":"1.0","type":"link"}