● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
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Caterpillar  · Electronic Components

3R2188

Wiring Harness, Branched

Part Number3R2188
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameWIRING HARNESS,BRANCHED
Federal Supply Class5995 — Cable and Wire Assemblies
Vendor Part NumbersXH-6538
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 3R2188 available?
We can source 3R2188 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 3R2188 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3R2188 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 3R2188?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 3R2188?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.