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Mahle 42077CP Engine Piston Ring Set
Engine Piston Ring Set for Ford, Mazda, Mercury Vehicles
The Mahle 42077CP engine piston ring set is designed for precise fitment and reliable performance in select Ford, Mazda, and Mercury models. Engineered with premium materials and exact bore diameter specifications, this piston ring set supports efficient engine operation and durability.
Key Features of Mahle 42077CP Piston Ring Set
- Bore diameter of 3.4449 inches for accurate cylinder fit
- Premium item grade ensuring high-quality standards
- Chrome coating on piston ring face for enhanced wear resistance
- Oil ring assembly made from Gns material with 0.0984 inch axial height thickness
- Second ring constructed from cast iron with 0.0468 inch thickness
- Top ring made of carbon steel, also 0.0468 inch thick
- Standard oversize piston rings with shallow groove design
Detailed Description of the Mahle 42077CP Engine Piston Ring Set
This piston ring set is engineered to meet the exact specifications required for proper sealing and oil control in engines with a 3.4449 inch bore diameter. The chrome face coating on the piston rings reduces friction and improves wear resistance, contributing to longer service life. The oil ring assembly, crafted from Gns material, features a thickness of 0.0984 inches, optimizing oil scraping and distribution. The second ring, made from cast iron, and the top ring, made from carbon steel, both have an axial height of 0.0468 inches, providing effective compression sealing and durability. The shallow groove size and standard oversize design ensure compatibility with factory cylinder dimensions, making this set suitable for maintaining engine performance in Ford B2300, Escape, Focus, Fusion, Mercury Mariner, Milan, Ranger, and Tribute models.
Applications and Common Issues Addressed
- Restores proper compression and combustion efficiency
- Reduces excessive oil consumption and smoking
- Minimizes blow-by gases to improve engine performance
- Prevents piston ring wear and cylinder wall damage
- Supports engine rebuilds and maintenance for Ford, Mazda, and Mercury vehicles
Installation Notes and Tips
Ensure the cylinder bore is clean and within specification before installation. Use proper ring compressors and follow manufacturer torque specifications during assembly. Verify ring end gaps and orientation according to engine service manual guidelines. Avoid forcing rings into the cylinder to prevent damage.
Quality Assurance and Warranty
Mahle piston rings are manufactured to meet OEM standards with strict quality control processes. This premium grade piston ring set is designed for durability and consistent performance. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.
| Brand | Mahle |
| Part Number | 42077CP |
| Bore Diameter (in) | 3.4449 |
| Item Grade | Premium |
| Oil Ring Assembly Material | Gns |
| Oil Ring Assembly Thickness (Axial Height) | 0.0984 in |
| Piston Ring Face Coating | Chrome |
| Piston Ring Oversize | Standard |
| Second Ring Material | Cast iron |
| Second Ring Thickness (Axial Height) | 0.0468 in |
| Size | Shallow groove |
| Top Ring Material | Carbon steel |
| Top Ring Thickness (Axial Height) | 0.0468 in |
This part fits 49 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2011 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2010 | Ford | Focus | 2.0L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2010 | Ford | Fusion | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2010 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2009 | Ford | Focus | 2.0L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2009 | Ford | Fusion | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2009 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2009 | Mercury | Milan | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Ford | Escape | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Ford | Focus | 2.0L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Ford | Fusion | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Mazda | Tribute | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Mercury | Mariner | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2008 | Mercury | Milan | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Ford | Escape | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Ford | Focus | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Ford | Focus | 2.0L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Ford | Fusion | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Mercury | Mariner | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2007 | Mercury | Milan | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Ford | Escape | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Ford | Focus | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Ford | Fusion | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Mazda | Tribute | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Mercury | Mariner | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2006 | Mercury | Milan | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2005 | Ford | Escape | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2005 | Ford | Focus | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2005 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2005 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2005 | Mazda | Tribute | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2005 | Mercury | Mariner | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2004 | Ford | Focus | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2004 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2004 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2003 | Ford | Focus | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2003 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2003 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2002 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2002 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2001 | Ford | Ranger | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
| 2001 | Mazda | B2300 | 2.3L | L4 | N/A | Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel; Facing UCR-Chrome; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.5mm; Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20; Shallow Groove |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.