Caterpillar 3406B/3406C Exhaust Manifold Spacer, PAI 340139 (OEM 2S3770), Pack of 6
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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340093Caterpillar 3406C Manifold Hardware Kit In stock - No kits match that search.
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Commonly sold with this product. These parts are sold separately.
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340140Cat / Caterpillar EXHAUST MANIFOLD SPACER (Pack of 6) In stock
| Brand | PAI Industries |
| Part Category | Air Intake & Exhaust |
| Sub-Type | Exhaust Manifold |
| Engine Make | Caterpillar |
| Engine Model | 3400 · 3406B · 3406C |
| Condition | New |
| Stage / Tier | Standard |
PAI 340139 is an exhaust manifold spacer for Caterpillar 3406B and 3406C applications. PAI specifies 12mm inside diameter, 19mm outside diameter and 33.50mm length. The manufacturer designates product-level OEM 2S3770. PAI cross-references Caterpillar 2S3770. PAI lists these application categories: Caterpillar 3400 Series, Caterpillar 3406B Series, Caterpillar 3406C Engines. Confirm the complete required part number before ordering.
Pack of 6.
PAI Part #: 340139
OEM References:
- CATERPILLAR 2S3770
Applications:
- CATERPILLAR 3400 SERIES
- CATERPILLAR 3406B SERIES
- CATERPILLAR 3406C ENGINES
Warranty: 2.0 year(s)
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| 2S3770 |
| CATERPILLAR 2S3770 |
| PAI 340139 |
No cross-reference numbers match that search.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.