CATERPILLAR C7/C9 212-8917 241-8388 Exhaust Valve Seat | High-Quality Aftermarket Replacement Solves Engine Overheating Issues

Your Reliable Source for OEM Part Number 2128917, Ensuring Sustainable Engine Performance and Durability.

Factory Direct Sourcing: Custom Engine Parts Manufacturing

As a Source Manufacturer specializing in Foreign Trade Export, we offer Custom Development of various Engine Cylinder Liners and related components. Benefit from our Factory Direct pricing and high-quality standards.

CUMMINS QSM11-C Cylinder LinerKomatsu 6D102 Cylinder LinerCATERPILLAR C7 Cylinder LinerISUZU 4HK1 Cylinder Liner

Achieve Peak Reliability with Our CAT Exhaust Valve Seat

We proudly offer this high-quality replacement parts solution for CATERPILLAR heavy machinery. The Exhaust Valve Seat is a critical component ensuring proper sealing and heat dissipation within the engine's cylinder head. Using substandard parts often leads to valve recession and catastrophic engine failure. Choose our tested alternative to ensure longevity and maximum uptime for your fleet. We are dedicated to providing the best aftermarket engine parts in the market.

Key Product Identifiers:

  • Primary Part Number: 212-8917 (2128917)

  • Alternate Part Number: 241-8388 (2418388)

5 Essential Features of Our CAT Valve Seat

  1. Precision-engineered for CATERPILLAR C7 and C9 industrial and construction engines.

  2. Direct replacement for OEM Part Numbers 212-8917 and 241-8388.

  3. Manufactured from high-grade alloy steel for superior wear and extreme heat resistance.

  4. Essential component to maintain optimal valve sealing and prevent premature engine failure.

  5. Ensures Sustainable Engine Performance and reduced maintenance downtime for your heavy equipment.

Product Specification Details

AttributeValue
Product NameCAT Exhaust Valve Seat
Model NO.C7 / C9 / Fits multiple CAT engines
ApplicationExcavator, Construction Machinery
Part Number212-8917 / 241-8388
SpecificationPrecision Machined Alloy Steel for P/N 2128917 / 2418388
ConditionNew, Aftermarket Replacement
CertificationISO 9001 Standard Compliant
TrademarkHonour Time Machinery Limited
OriginChina (Source Manufacturer)
Transport PackageSecure Carton Packaging
Production Capacity5000 PCS/Year
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsExpress (DHL, Fedex, EMS, UPS) or by Air/Sea

Comprehensive Engine Parts Solutions from Honour Time Machinery Limited

Honour Time Machinery Limited is your global partner, specializing in engine parts supplier services for major brands including cumminskomatsuCaterpillarisuzukubotayanmar, and weichai. We offer both complete diesel engine assembly units and all corresponding spare parts.

Liner KitPistonPiston RingGasket KitGasket HeadCrankshaftValve GuideNozzleBearingPressure SwitchMonitorRadiatorMain ValveBeltCylinder BlockValve Seat

Also providing: complete gasket set for excavatorengine water pump factoryoil pump replacement costconnecting rod supplierengine block price listcylinder head assemblyexcavator engine repairaftermarket engine partscummins piston pricekomatsu bearing setisuzu gasket kitkubota valve guideyanmar turbochargerweichai crankshaftheavy equipment spare partsconstruction machinery engine overhaulGasket HeadFlameout SolenoidPressure SwitchAccelerator Motor.

Extensive Engine Model Compatibility

We supply parts for a wide array of engine models across the industry.

KOMATSU & KOBELCO Models
3D823D84
4D844D95
4D1056D95
6D1026D105
6D1086D110
6D1146D170
KOBELCO J05E6D34T
6D16J08E
6D22T6D24T
6D16TJ05E
6D34J08E
CAT, Mitsubishi, ISUZU, Yanmar, HINO, CUMMINS, VOLVO Models
CATERPILLAR 31143116
C4C6
3064TS6K
C7C-9 / C13
Mitsubishi 4D344D24 / K4M
S3Q2 / 6D166D24 / S4KT / 6D40
ISUZU 3LD14LE1 / 4BG1 / 4HK1
6SD1 / 6WG14LE2 / 4JB1 / 6BG1 / 6HK1 / 6WF1
Yanmar 4D88E / 4TNE844TNV88 / 4TNV94L / 4TNE88
4TNE94 / 4TNV984TNV106
HINO J05E / J08EV25C / EF750 / P11C
V21C / H06CT / H07DCUMMINS QSB6.7 / QSM11-C
B5.9-C / B3.9-CQSM11 / C8.3-C
VOLVO D6D / D6ED9E / D12D / D7D / D7E
D12E / D16D

Technical Insights: Engineering Machinery Glossary

Understanding your engine's components is key to long-term maintenance. Here are 10 core components we supply, defined:

Piston Ring: Installed in the piston grooves of a CATERPILLAR 3116 Piston. It seals the combustion chamber and regulates oil consumption.
Valve Guide: Located in the cylinder head of a Komatsu 6D102 Valve Guide. It guides the linear movement of the valve stem.
Nozzle (Fuel Injector): Installed in the cylinder head of an ISUZU 4HK1 Nozzle. Atomizes and sprays fuel into the combustion chamber.
Crankshaft: Located in the engine block of a CUMMINS QSB6.7 Crankshaft. Converts the linear motion of the pistons into rotational motion.
Turbocharger: Mounted on the exhaust manifold of a Yanmar 4TNV98 Turbocharger. Uses exhaust gas to spin a turbine and compress intake air.
Water Pump: Attached to the front of the engine block of a KOBELCO J05E Water Pump. Circulates coolant through the engine and radiator.
Bearing (Main Bearing): Supports the crankshaft in the engine block of a Mitsubishi 6D16 Main Bearing. Reduces friction during rotation.
Flameout Solenoid: Connected to the fuel system on a HINO H07D Flameout Solenoid. Cuts off fuel supply to stop the engine.
Pressure Switch: Used in the lubrication system of a VOLVO D6D Pressure Switch. Monitors engine oil pressure.
Liner Kit: Installed inside the cylinder block of a Weichai WP10 Liner Kit. Provides a renewable cylinder bore surface.

Troubleshooting & Maintenance Spotlight

Fault Example: CATERPILLAR 3116 Engine (CAT 320B Excavator) - Excessive White Smoke and Coolant Loss

Problem: Persistent white smoke, especially when the engine is warm, accompanied by rapid coolant level depletion.

Solution/Cause: This often indicates coolant entering the combustion chamber, typically due to a failed head gasket or a cracked cylinder head assembly. Immediate action is required: check for combustion gases in the cooling system, replace the complete gasket set for excavator, and pressure test the cylinder head. Ensure the engine cooling system is inspected thoroughly to prevent recurrence.

Key Maintenance Plan: For the CAT 3116, perform coolant fluid flush and replacement every 1000 hours, and regularly check the tension of the fan Belt and the functionality of the engine water pump factory unit to maintain optimal cooling performance.

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About Honour Time Machinery Limited

Honour Time Machinery Limited is a trusted global provider of high-quality aftermarket engine parts, specializing in brands like CATERPILLAR, Cummins, and Komatsu. We guarantee factory-direct quality, competitive pricing, and swift global shipping for all your heavy equipment needs.

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