📋 Part Identification

⚙️ Technical Specifications

🚛 Compatible Equipment

✅ Why Choose This Ring Set?

• Commercial-Grade Durability: Chrome-plated top ring withstands high cylinder pressures and abrasive contaminants • Moly-faced second ring ensures rapid seating and optimal combustion sealing
• Precision Engineered: Manufactured to Mercedes A3660300024 dimensional tolerances • Consistent end gaps prevent blow-by, compression loss, and excessive oil consumption under continuous load
• Advanced Oil Control: 3-piece stainless steel oil ring with high-tension expander maintains consistent cylinder wall lubrication while minimizing crankcase contamination • Critical for long oil drain intervals
• Direct OEM Replacement: Drop-in fit for OM364/OM366 engines • Reuses existing pistons and liners • No machining required on standard bore cylinders
• Quality Guaranteed: Rigorously inspected for dimensional accuracy and surface finish • 1-Year Manufacturer Warranty • 30-Day Returns

📦 What's Included

• 1x Complete 3-Ring Set for ONE Cylinder (Top Chrome + 2nd Moly + 3-Piece Oil)
• Installation & Gap Measurement Guide (Mercedes OM364/366 specifications)
• Note: Sold per cylinder. Order 4 sets for OM364, 6 sets for OM366 full rebuild
• Note: Pistons, liners, bearings, and gaskets sold separately if replacement needed

🔗 Recommended Companion Parts for Full Engine Rebuild

Complete your Mercedes OM364/OM366 overhaul with these compatible items:

• Standard Piston 97.50mm: MB-PIST-9750-STD or OEM A 366 030 00 15
• Cylinder Liner 97.50mm STD: MB-LINER-9750-STD or OEM A 366 030 00 10
• Big End & Main Bearing Set: MB-BRG-STD-SET
• Full Gasket Kit (OM364/366): MB-GSKT-FULL-STD
• Ring Compressor Tool 95-100mm: Heavy-duty commercial engine tool
• Molybdenum Assembly Lube: LUBE-MB-ASSEMBLY • For initial startup protection

🔧 Professional Installation Checklist

• ✅ Verify cylinder bore is exactly 97.50mm ±0.02mm with proper cross-hatch honing
• ✅ Measure ring end gaps in cylinder bore using feeler gauge at bottom of ring travel
• ✅ Stagger ring end gaps 120° apart around piston circumference (never align gaps)
• ✅ Install top ring with manufacturer marking facing piston crown
• ✅ Use proper ring expander for oil ring installation to prevent rail damage
• ✅ Lubricate rings, piston skirts, and cylinder walls with assembly lube
• ✅ Torque cylinder head & connecting rod bolts per Mercedes sequence & specs
• ✅ Perform break-in: Vary RPM under load for first 50 hours • Change oil & filter at break-in

🌍 Worldwide Shipping • Commercial Diesel Support

📦 Fast dispatch • 🌐 Ships to US, UK, EU, AU, CA, IN, ME, ASIA & 180+ countries • 🔧 Free technical support via message • ↩️ 30-day hassle-free returns

🛒 ADD TO CART – REBUILD YOUR MERCEDES ENGINE TODAY
✅ In Stock • ✅ Same-Day Dispatch • ✅ Commercial Diesel Specialist

Disclaimer: This is an aftermarket replacement part manufactured to OEM specifications. All manufacturer names, part numbers, and trademarks (Mercedes-Benz®, OM364®, OM366®) are used for identification and compatibility reference only. This product is not manufactured by or affiliated with Mercedes-Benz Group AG. ALWAYS verify cylinder bore measurements, engine build list, and ring end gaps before installation. Consult official Mercedes service manuals for torque specifications and assembly procedures.

!!...BULK INQURIES ARE ALSO ACCEPTED AT ATTRACTIVE PRICES...!!

PISTON RINGS: THE PISTON RING LISTING IS QUANTITY FOR 1 PISTON i.e 1CYL.

(PLEASE IGNORE IF IN PHOTO MENTIONED X3 / X4 / X6)

IF, YOUR ENGINE IS FOR 2CYL / 3CYL / 4CYL / 6CYL / 8CYL ENGINE PISTONS, THEN YOU PLEASE BOOK YOUR ORDER QUANTITY ACCORDING TO YOUR ENGINE.

OVERSIZE: IF YOU DO REQUIRE OVERSIZE PISTON RINGS ALSO LIKE 010 / 020 / 030 / 040 / 060 / 080 / 100 ETC.

WE CAN ALSO BE ABLE TO SUPPLY YOU THE SAME.  IF OVERSIZE, PLEASE MESSAGE US WHAT SIZE YOU DO REQUIRE TO CHECK & ARRANGE ITS AVAILABILITY.

SPECIAL SIZE: IF ANY SPECIAL SIZE IS REQUIRED FOR YOUR ENGINE, PLEASE DO INFORM WE CAN ABLE TO ARRANGE THE SAME FOR YOU ALSO?

SPECIAL PRODUCT: ANY KIND OF AUTO PARTS, WE ABLE TO SUPPLY YOU AGAINST YOUR SAMPLE / DRAWINGS. WE ABLE TO MANUFACTURE & SUPPLY THE SAME ACOORDING TO CUSTOMER?S REQUIREMENT.

RETURN POLICY: WE ALWAYS TRY OUR BEST FOR HASSALE FREE BUSINESS TRANSACTION. BUT STILL IF ANY PROBLEM OCCUR, BEFORE OPENING ANY KIND OF RETURN REQUEST, YOU CAN CONTACT US DIRECTLY WE ARE HAPPY & TRY TO SATISFY YOU IN ALL RESPECT? IN CASE OF ANY PROBLEM LIKE DIDN?T LIKED OR DIDN?T FIT, WE ARE READY TO REFUND YOU AFTER THE INSPECTION OF THE ORIGINAL PRODUCT & MUST BE INTO ITS ORIGINAL PACKAGING. BUYER PAYS FOR THE RETURN SHIPPING CHARGES.

FEEDBACK: YOUR POSITIVE FEEDBACK IS IMPORTANT & VALUABLE TO US. WE ALWAYS LEAVE POSITIVE FEEDBACK TO OUR BUYER AS A GOOD MEMORY FOR SMOOTH BUSINESS.

EBAY MESSAGES: YOUR ALL MESSAGES ARE IMPORTANT TO US. WE KNOW TIME IS VERY IMPORTANT. WE ARE TRYING TO DO QUICK REPLY, BUT SOMETIMES PLEASE ALLOW RESPONSE TIME 12-48HRS.

COMPATABILITY: WE HAVE LISTED ALL OUR PRODUCTS WITH MUCH & MUCH INFORMATION AS POSSIBLE BY US. WE DO UNDERSTAND FROM LISTING YOU CAN ABLE TO GET ALL THE POSSIBLE DETAILS WHICH YOU REQUIRED ALSO YOU CAN CROSS-CHECK REFERENCE NUMBER FROM GOOGLE PORTAL ALSO IF INCASE YOU HAVING DOUBT.

SHIPPING:  THERE ARE MANY MODES OF SHIPPING METHOD AVALAIBLE. WE TRY OUR BEST THAT OUR CUSTOMERS WILL GET THE PARCEL AS SOON AS PARCEL WITHOUT ANY DELAY.

BUT SOMETIME IF DELAY IN PARCEL DUE TO THIRD PARTY, SOME THINGS ARE BEYOND OUR CONTROL. SO WE JUST REQUEST YOU TO PLEASE MESSAGE US & WE TRY TO ESCALATE YOUR QUERY & UPDATE YOU TIME TO TIME & TRY TO GET YOUR THE PARCEL DELIVERED TO YOU. ALL ITEMS ARE OF FREE SHIPPING. IF YOU WANT QUICKEST DELIVERY THEN PLEASE MESSAGE US TO PROVIDE ALTERNATE SHIPPING METHOD WITH ADDITIONAL COST.

TAXES: OUR PRICE IS INCULDED FREE SHIPPING & PRODUCT COST. ANY KIND OF VAT, GOVERNMENT TAXES OR IMPORT DUTY IS NOT CHARGED BY US. IF ANY IMPORT CHARGES, PLEASE CHECK YOUR COUNTRY RULES & REGULATIONS. IMPORT CHARGES ARE VERY NOMINAL BUT SOMETIMES IT VARY FROM ITEM TO ITEM & COUNTRY TO COUNTRY.

ANY KIND OF CONFUSION OR INFORMATION YOU REQUIRED, PLEASE FEEL FREE TO MESSAGE US.