Genuine VOLVO Heavy-Duty Pipe Clamp 20787709 Specification

The Genuine VOLVO Premium Heavy-Duty Heavy-Line Structural Pipe Clamp Set (Part Numbers: 20787709 / VOE20787709 / 1676424), systematically classified as the Rigid Tube Anchoring Bracket Assembly or Anti-Vibration Line Support Cushion, is a high-integrity structural retention component engineered for VOLVO’s high-pressure diesel injection lines, hydraulic pilot layouts, and main chassis fluid distribution systems. Bolt-mounted securely onto the structural frame, cylinder block, or valve deck mounting pads, this multi-piece clamp assembly locks steel or aluminum fluid pipes rigidly into position. Operating under high-pressure hydraulic cycles or intense engine bay harmonics, fluid lines carry immense internal pressures that create high-frequency pulsing and mechanical flexing. If these lines are left unsupported, this continuous micro-movement creates severe structural friction against nearby chassis frames and rapidly causes metal fatigue cracks at the pipe union joints. The 20787709 pipe clamp assembly uses a shock-absorbing internal profile to firmly isolate, grab, and lock down the lines. Replacing missing, worn, or melted line clamps during routine service prevents fluid lines from rubbing together, eliminates dangerous pressure-line fatigue failure, and protects your entire machine from sudden high-pressure oil blowout risks.

Core Technical Advantages

• Shock-Absorbing Reinforced Core Adopts high toughness elastomer and polypropylene composite material, effectively isolate engine vibration, reduce pipeline friction and wear for long stable service.

• Zinc-Plated High Strength Steel Shell Thickened carbon steel outer bracket with anti-rust coating, uniform stress bearing, not easy to deform and loose under long-term severe vibration.

• Excellent Oil and Heat Resistance Resist erosion of diesel fuel, hydraulic oil and various chemical liquids, adapt high temperature environment inside engine compartment without aging and softening.

• Precision Groove Positioning Design Standard inner diameter groove fits pipeline perfectly, firm clamping without squeezing and deforming the pipe wall, keep original pipeline circulation state.

Technical Specifications

Master Application Fleet Guide

This heavy-duty anti-vibration pipe clamp is widely used for fixing various oil pipelines of VOLVO full series construction machinery.

• Heavy Duty Quarry & Construction Excavators: EC240B, EC240B Prime, EC290B, EC290B Prime, EC330B, EC360B, EC460B

• Large Mining Excavators: EC700B, EC700C large tonnage mining engineering equipment

• Special Engineering Machinery: FC2924C professional forestry harvesting processing machine

Critical B2B Procurement & Maintenance Guidelines

B2B Procurement Strategy

Pipeline fixing pipe clamp is a kind of easily ignored safety wearing part. After long-term high temperature use, the internal rubber cushion is easy to become brittle and fall off, resulting in pipeline suspension vibration. Severe friction will cause pipeline wall thinning and crack leakage, even high pressure oil ejection safety accident. It is suggested that spare parts wholesalers and engine maintenance factories stock sufficient 20787709 and interchangeable 1676424 pipe clamps. Match with high pressure oil pipe, pipe joint nut, engine sealing parts etc. to form complete engine maintenance accessories package.

Common Failure Symptoms

• Obvious pipeline shaking and abnormal vibration noise occur when engine running, caused by aging and falling off of internal shock absorption cushion

• There are obvious wear marks and oil seepage points on the surface of oil pipeline due to long-term friction between pipeline and vehicle frame

• Fixing bracket is loose or lost, the whole pipeline is suspended without positioning, easy to be scratched and damaged by external foreign matters

Global Brand Cross-Reference Matrix

All machine models are for compatibility reference only. This high stable pipeline pipe clamp effectively reduce pipeline vibration friction, avoid oil circuit failure, greatly improve the overall operation safety and service life of construction machinery.