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Item #:
220546686
Piston Rings 11257649927 Fit 4.4 L V8 Gas N63B44C N63B44D Compatible With M5 M6 X5 X6 550i F10 F90 F06 F12 S63 N63B44 4.4L
Item #:
220546686
TTD 937
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Sunday, September 27
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Engineered for compatibility with 4.4L V8 N63B44C and N63B44D engine variants, crafted piston rings support compression and engine performance.
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What Stands Out
Perfect Compatibility
Designed specifically for 4.4L V8 N63 engines, ensuring optimal fit for various BMW models such as M5, M6, X5, and X6, mitigating the risk of compatibility issues.
Durable Quality
Made from high-quality materials that enhance longevity and performance, these piston rings provide reliable sealing and reduce oil consumption for better engine efficiency.
Performance Enhancement
By addressing common engine issues, these piston rings improve combustion efficiency, leading to increased power output and smoother engine operation, enhancing overall driving experience.
Product Details
Product Technical Details
| Manufacturer | JAECQDDM |
| Brand | JAECQDDM |
| Model | JAECQDDM879 |
| Item Weight | 7.1 ounces |
| Product Dimensions | 1.97 x 1.18 x 0.79 inches |
| Item model number | JAECQDDM777 |
| Exterior | Aluminum |
| Manufacturer Part Number | JAECQDDM777 |
What's in the box
Parts set
Who Should Buy?
-
BMW Vehicle Owners
Owners of compatible BMW models seeking to replace piston rings for improved engine performance and longevity.
-
Mechanic Shops
Independent auto repair shops needing reliable piston rings for servicing the popular 4.4L V8 engine specifications.
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Performance Enthusiasts
Car tuning enthusiasts looking to enhance their BMW's engine efficiency or rebuild for better performance.
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Non-BMW Models
This product is specifically designed for BMW vehicles and will not fit or function properly in non-BMW models.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What engine models are compatible with these piston rings?
Answer: These piston rings are compatible with N63B44C, N63B44D, and S63B44 engine models. -
Question:
Do these piston rings require any cylinder expansion?
Answer: No, these piston rings have a STD 0.00 specification, meaning no cylinder expansion is required. -
Question:
What is the thickness of the piston rings?
Answer: The thicknesses are 1.2mm for the 1st ring, 1.5mm for the 2nd ring, and 2.0mm for the 3rd ring.
JAECQDDM Ring Kits JAECQDDM777 Editorial Review
Piston Rings 11257649927 Fit 4.4 L V8 Gas N63B44C N63B44D Compatible With M5 M6 X5 X6 550i F10 F90 F06 F12 S63 N63B44 4.4L are designed specifically for high-performance engines, ensuring optimal efficiency and durability. These piston rings are crucial for maintaining engine compression and minimizing oil consumption, which is essential for V8 engines that operate under demanding conditions. Many users appreciate the seamless compatibility with various models, enhancing their vehicle's performance significantly. Overall, these piston rings are an excellent choice for those looking to upgrade or replace their engine components.
Customer Reviews & Ratings
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Pros
- Engineered for high-performance V8 engines
- Ensures optimal efficiency and durability
- Maintains engine compression effectively
- Minimizes oil consumption for better performance
- Seamless compatibility with multiple vehicle models
Cons
- Suitable for specific engine models only
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TTD 937
Order now and get it around Sunday, September 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Direct replacement for damaged or worn factory engine parts.
- Compatible with 4.4L V8 N63B44C and N63B44D engines.
- Meets OEM specifications for accurate fitment and function.
- Piston rings designed to support engine performance and compression.
- Fits multiple BMW models including M5, M6, X5, and X6.
- Constructed to withstand high temperature and pressure environments.
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