ECM Controllers & Monitors

21918597 Control Unit for Volvo Penta D4 D6 TAD and TWD Engines

Q: What numbers are documented for 21918597?

Primary Equipment Part Number: 21918597. Published Replacement Reference: 24170981. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 21918597 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

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OEM / reference21918597

SpecificationEngine Control Unit

Catalog ID91000013

Product Type: Engine Electrical Control Unit
Connector: Integrated sealed connector
Programming: Confirm application requirements

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Volvo Penta control unit	21918597
Published Replacement Reference	Later relay/control reference; verify by serial	24170981

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

21918597

Other documented relationship

24170981

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Engine Control Unit

Category: ECM Controllers & Monitors
Catalog ID: 91000013
Photo views: 5

Before ordering

Confirm these details

Match the complete part number on the original component label.
Compare the front layout and visible configuration with the product photos.
Compare connector count, connector shape and keying before installation.
Confirm the exact machine model and serial range before ordering.

Machine fitment

Compatible model references

1 model reference

Published engine families: Volvo Penta D4 / D6 / TAD / TWD series

Fitment / evidence notes

Fitment limitation: Confirm full engine model, serial number and replacement status

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 21918597

Which machines use 21918597?

Recorded compatible model references include Published engine families: Volvo Penta D4 / D6 / TAD / TWD series. Recorded fitment/evidence notes: Fitment limitation: Confirm full engine model, serial number and replacement status. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 21918597?

No alternate number is listed for 21918597. Send the original nameplate for an alternate-number check.

How do I confirm 21918597 before ordering?

Match the complete part number on the original component label. Compare the front layout and visible configuration with the product photos. Compare connector count, connector shape and keying before installation. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing verified references from the same system.

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