21668017 Spacer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta EGR Spacer - Part Number: 21668017

A genuine component in the EGR and inlet-control assembly on Volvo Penta TAD752GE, TAD753GE and TAD754GE engines. It sets the designed stand-off and passage alignment between the EGR cooler and control housing and works with the cooler, actuator, lever, rod and sensor system.

⚙️ Key Features

• Genuine Volvo Penta EGR-system component

• Position-specific dimensions and mounting geometry

• Designed for soot, heat and engine vibration

• Works with the complete electronically controlled EGR assembly

• Direct replacement for the exact original component

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21668017 (current OEM reference)

OEM / Related Numbers:

• 21523136 - inlet manifold

• 20794356 - intake gasket

• 21668005 / 22391771 / 23831041 - EGR coolers

• 21668027 - shuttle valve

• 21668031 - valve

• 21668120 - actuator

• 21668129 - actuator bracket

• 21668140 - control rod

• 21668138 - intermediate lever

• 21668613 - shoulder screw

• 21668623 - hexagon screw

• 21668148 - compression spring

• 21668155 - cover plate

• 21668156 - bracket

• 21385453 - outlet pressure sensor

• 21669163 - EGR pipe

• 21669167 / 21664669 - EGR gaskets

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta TAD752GE, TAD753GE and TAD754GE EGR and inlet-system assemblies

Typically suits:

• Engine models:

• TAD752GE

• TAD753GE

• TAD754GE

• HP Range: Generator rating dependent

• Engine Type: 7.15L inline six-cylinder turbocharged generator diesel with EGR

• Year Range: Approximately 2008 - 2018

• Fitment Note: Confirm the schematic position and replace disturbed gaskets or locking hardware.

🔌 Function

Sets the designed stand-off and passage alignment between the egr cooler and control housing, allowing the engine control system to meter recirculated exhaust flow accurately.

Common signs of failure:

• EGR-flow or emissions fault codes

• Reduced power or engine derate

• Binding or lost motion in the control mechanism

• Soot leakage or abnormal wear

• Cracking, corrosion or fastener loosening

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging