$82,00
90 in stock
The 2818261 SLEEVE AS CATERPILLAR is a precision-engineered exhaust sleeve designed to ensure a stable, leak-free, vibration-resistant connection within Caterpillar exhaust assemblies. Built for machines that operate under continuous heat cycles, extreme load, and harsh working conditions, the 281-8261 SLEEVE AS CATERPILLAR enhances the durability and reliability of heavy machinery by creating a secure interface between exhaust components.
Caterpillar engines generate high thermal stress, exhaust pressure, and vibrations—especially in construction, mining, quarry, forestry, and material-handling environments. Even a minor exhaust leak can impact system pressure, fuel efficiency, emissions stability, and overall engine performance. This is why the correct selection and installation of the 2818261 SLEEVE AS CATERPILLAR is essential for maintaining the integrity of the entire exhaust path.
Supplied globally by 3GEN Export as an OEM supplier, this part is available for worldwide delivery within 5 working days, ensuring fleet operators, workshops, and distributors remain fully operational with minimized downtime.
The 281-8261 SLEEVE AS CATERPILLAR is a cylindrical, high-temperature metallic sleeve designed for exhaust system sealing and alignment. In Caterpillar exhaust assemblies, sleeves act as structural couplers that:
Securely join pipes or muffler components
Maintain exhaust flow direction
Support pressure containment
Prevent harmful gas leaks
Reduce vibration transfer between parts
The uploaded images show a reinforced rolled-edge sleeve seated on a mounting flange plate, indicating that this component is used to connect the exhaust outlet to downstream piping, typically in small-to-medium CAT engine families.
The flat mounting plate contains precision-machined bolt holes, allowing the part to be clamped tightly against exhaust housings. The inner surface of the sleeve is smooth to preserve laminar exhaust flow and prevent turbulence.
The primary function of the 2818261 SLEEVE AS CATERPILLAR is to create a thermal-resistant seal between two exhaust components. Exhaust leaks are not only harmful to engine performance but also dangerous for operators. This sleeve prevents:
Pressure loss
Soot leakage
Heat damage to nearby components
Emission inconsistencies
A well-sealed exhaust system is essential for compliance with modern jobsite environmental standards.
The smooth interior surface and optimized inlet diameter of the 281-8261 SLEEVE AS CATERPILLAR ensure exhaust gases travel efficiently from the combustion chamber through the exhaust assembly. This improves engine breathing consistency and fuel efficiency.
Exhaust systems vibrate heavily under load. The sleeve reduces vibration transfer and prevents metal fatigue in adjoining components. This also extends the lifespan of pipes, manifolds, and mufflers.
The sleeve maintains a stable thermal boundary between parts. By controlling heat direction, it protects wiring, sensors, plastic housings, and hydraulic hoses from thermal exposure.
The 2818261 SLEEVE AS CATERPILLAR ensures precise mechanical alignment between the exhaust flange and piping, preventing misalignment that could cause exhaust turbulence or uneven temperature zones.
Exhaust sleeves may appear small, but they are one of the most critical components in Caterpillar combustion systems. Using the 2818261 SLEEVE AS CATERPILLAR helps preserve:
Engine torque output
Fuel economy
Emissions performance
Turbocharger airflow balance
Overall durability of the exhaust assembly
Without a properly functioning sleeve, the machine may experience excessive noise, exhaust odor, decreased power, overheating around the exhaust manifold, or DPF inefficiencies.
| Specification | Detail |
|---|---|
| Product Name | 2818261 SLEEVE AS CATERPILLAR |
| Alternate PN | 281-8261 SLEEVE AS CATERPILLAR |
| Component Type | Exhaust Sleeve / Flange Connector |
| Material | High-temperature stainless or alloy steel |
| Structure | Cylindrical sleeve with mounting flange |
| Heat Resistance | Suitable for high exhaust temperatures |
| Vibration Rating | Designed for heavy-duty CAT machinery |
| Coating | Bare metal or anti-corrosion finish |
| Bolt Pattern | Multi-hole flange (visible in images) |
| Inlet Diameter | Standard CAT exhaust sleeve diameter class |
| Estimated Weight | 0.18–0.25 KG |
| Application | Exhaust sealing, alignment, pressure management |
| Supplier | 3GEN Export (OEM supply, 5-day global delivery) |
The weight range is determined based on the size, metal thickness, and flange geometry observed in the provided images.
The 281-8261 SLEEVE AS CATERPILLAR is commonly found in small-to-mid range CAT diesel engines, especially those used in compact construction machines, industrial engines, and auxiliary exhaust applications.
CAT C1.5 – C2.2
CAT C3.3
CAT C4.4
CAT C4.2 Industrial Engines
CAT Compact Power Units
CAT Mini Excavators (301–309 Series)
CAT Backhoe Loaders (416, 420, 422, 424 Series)
CAT Skid Steer Loaders (226–272 Class)
CAT Compact Track Loaders
CAT Material Handling Equipment
CAT Agricultural & Landscaping Machinery
CAT Generator Sets below 150 kVA
CAT Pumps and Industrial Engines
Because exhaust architecture varies by serial prefix and production year, 3GEN Export offers free compatibility verification for all orders.
The sleeve’s cylindrical form is designed to optimize exhaust pressure transfer. Its uniform thickness protects against cracking and distortion caused by constant heat cycling.
The top edge of the sleeve is shaped to prevent stress fractures and ensure a tight clamp fit, reducing leak risk.
The flange plate is built from heat-treated steel layers. Its design offers:
Strength
Heat resistance
Flatness under compression
Long-term sealing integrity
The bolt holes are precision-punched to guarantee compatibility with CAT factory exhaust housings.
The alloy steel maintains its strength even when exposed to combustion exhaust, soot particles, and corrosive gases.
Commonly installed between exhaust manifolds and downstream pipes.
Ensures a leak-free connection between mufflers and exhaust lines.
Used in gensets that require stable pressure and vibration resistance.
Ideal for machines running long shifts under stop-and-start conditions.
Vital for preventing exhaust breaks during intense machine movements.
Protects operators and maintains compliance with environmental requirements.
Stable exhaust flow leads to cleaner combustion and lower fuel use.
A sealed connection minimizes excess sound produced by leaks.
Prevents premature damage to exhaust pipes, sensors, and mufflers.
Engineered to hold firm in rough terrain and high-load conditions.
Compatible with Caterpillar bolt patterns for simple servicing.
3GEN Export is a trusted OEM supplier specializing in heavy machinery components across construction, mining, and power generation sectors.
OEM-grade quality
Worldwide delivery within 5 working days
Professional compatibility support
Premium packaging
Bulk supply available
Reliable global logistics
Fleet operators, workshops, and distributors choose 3GEN Export to minimize downtime and ensure equipment reliability.
Allow the machine to cool completely.
Remove damaged sleeve and clean the mounting surfaces.
Position the new 2818261 SLEEVE AS CATERPILLAR onto the flange.
Align bolt holes with exhaust housing.
Insert bolts and tighten using manufacturer torque specs.
Inspect for soot trails or exhaust odor after startup.
Test under load to verify sealing performance.
A professional technician should perform installation due to high exhaust temperatures.
Estimated Weight: 0.18–0.25 KG
This lightweight design ensures easy installation while providing sufficient structural integrity for high-temperature exhaust flow.
Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.