197-9353 C7 Piston Ring Set 101.5mm for Cat M325D Excavator Engine MAHLE

Product Details

Product Overview

This is a premium quality 197-9353 Piston Ring Set manufactured by MAHLE, specifically designed for the Caterpillar C7 diesel engine. With a bore diameter of 101.5mm, this piston ring set is commonly utilized in the Cat M325D excavator and other heavy machinery applications powered by the C7 engine platform.

As a direct replacement for OEM part number 197-9353, this product ensures precise fitment and reliable sealing performance. The rings are supplied in genuine MAHLE packaging, guaranteeing authentic quality and material composition suitable for demanding construction and mining environments.

Please verify your engine model and ring dimensions against your existing parts before installation, as variations in engine specifications may exist across different equipment configurations.

Key Features & Benefits

• OEM Specification Compliance – Manufactured to match the exact dimensions and material specifications of the original Caterpillar 197-9353 piston ring set.
• 101.5mm Bore Precision – Accurately sized for the C7 engine cylinder bore, reducing blow-by and optimizing compression for improved fuel efficiency and power output.
• Enhanced Durability – Constructed from high-grade alloy steel with advanced surface treatments to resist scuffing, corrosion, and premature wear in harsh working conditions.
• Complete Set Delivery – Includes all necessary compression rings and oil control rings for a full cylinder overhaul, simplifying your engine rebuild process.
• Global Logistics Support – Stock available in Shanghai for rapid dispatch to international ports, minimizing downtime for your equipment fleet.

Technical Specifications

OEM Cross-Reference

This product is a direct replacement for the following OEM part numbers:

• 197-9353 – Caterpillar (Original OEM Number)

Cross-reference numbers may vary by region. Always confirm compatibility with your specific engine serial number and existing ring dimensions before ordering.

Compatibility

This piston ring set is commonly used for the following applications:

• Engine: Caterpillar C7 (Diesel)
• Excavator Model: Cat M325D
• Additional Applications: Other heavy machinery and industrial equipment powered by the Cat C7 engine platform, including certain wheel loaders, trucks, and generator sets.

Note: Fitment is inferred based on engine model and OEM part number. Always verify physical dimensions and ring profile against your original components.

Global Supply & Distribution

We maintain a robust inventory of MAHLE piston ring sets in our Shanghai distribution center, enabling fast processing and shipping to customers worldwide. Our logistics network supports reliable delivery to major ports and industrial hubs across:

• North America – Los Angeles, Houston, New York, Vancouver, Toronto
• Europe – Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific – Singapore, Dubai, Sydney, Shanghai
• Middle East & Africa – Jebel Ali, Durban, Lagos
• South America – Santos, Buenos Aires, Callao

We offer flexible shipping options including express courier (DHL, FedEx, UPS) for urgent orders and sea freight for bulk shipments. Our team has extensive experience in international trade documentation and customs clearance support.

Quality Assurance

Each piston ring set is sourced from MAHLE’s certified production lines, adhering to stringent ISO and OEM quality standards. While this product does not include a separate warranty certificate, we provide after-sales online technical support to assist with fitment verification and installation guidance.

Our quality control process includes dimensional inspection and material verification prior to dispatch. For large quantity orders, we can arrange third-party inspection reports upon request.

FAQ

Q1: How do I confirm this 197-9353 piston ring set fits my Cat C7 engine?
A: Measure the cylinder bore diameter to ensure it is 101.5mm. Also check the ring groove width and ring profile (keystone, rectangular, etc.) against your existing rings. The 197-9353 is specifically designed for the C7 engine platform, but we recommend verifying your engine serial number with a Caterpillar dealer for definitive compatibility.

Q2: What is the recommended installation procedure for these piston rings?
A: Install rings using a proper ring expander tool to avoid distortion or breakage. Ensure ring gaps are staggered at 120-degree intervals around the piston. Lubricate rings and cylinder walls with clean engine oil before assembly. Always follow the engine manufacturer’s service manual for torque specifications and break-in procedures.

Q3: How should I store unused piston rings?
A: Keep rings in their original MAHLE packaging in a clean, dry environment at room temperature (15-25°C). Avoid exposure to moisture, corrosive chemicals, or direct sunlight. Do not remove rings from their protective packaging until immediately before installation to prevent surface contamination or accidental damage.