Caterpillar 3406E Hex Head Screw, PAI 340037 (OEM 1M0644), Pack of 5
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
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341311Caterpillar 3406E / 3400 Oil Pump In stock -
341312Cat / Caterpillar OIL PUMP ASSEMBLY In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Fasteners & Hardware |
| Sub-Type | Cylinder Head Fastener |
| Engine Make | Caterpillar |
| Engine Model | 3406E |
| Condition | New |
| Stage / Tier | Standard |
PAI 340037 is a hex head screw for Caterpillar 3406E applications. PAI specifies steel construction, 3/8-16 threads and 2.25-inch length. The manufacturer designates product-level OEM 1M0644. PAI cross-references Caterpillar 1M0644. PAI lists these application categories: Caterpillar 3406E Series. Confirm the complete required part number before ordering.
Pack of 5.
PAI Part #: 340037
OEM References:
- CATERPILLAR 1M0644
Applications:
- CATERPILLAR 3406E SERIES
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 |
|---|
| 1M0644 |
| CATERPILLAR 1M0644 |
| PAI 340037 |
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.