Steel Oil Pump No Seal/O-Rings, PAI 341312E (OEM 4N8734), Pack of 1
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These lists show published kit components. Confirm unlisted items, required extras, and any quantities marked for review before ordering.
341312 Cat / Caterpillar OIL PUMP ASSEMBLY
What’s In This Kit
Browse 6 included components with current product details and availability.
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340028Caterpillar 3400 Flanged Hex Head Screw, PAI (OEM 2P3205), Pack of 4 In stock -
341351Caterpillar 3406E / C15 / C16 Relief Spring In stock -
341350Caterpillar 3406E / C15 / C16 Relief Plunger In stock -
341352Cat / Caterpillar SPRING RETAINER In stock -
EPP-3572Cat / Caterpillar PLUG (Pack of 10) In stock -
340037Caterpillar 3406E Hex Head Screw, PAI (OEM 1M0644), Pack of 5 In stock - No included components match that search.
Steel Oil Pump No Seal/O-Rings, PAI 341312E (OEM 4N8734), Pack of 1
A component list is not published for this kit. Request a contents check with your quote.
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
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C15101-145SUPER ENGINE KIT In stock -
C15103-145ENGINE OVERHAUL KIT Confirm lead time - No kits match that search.
| Brand | PAI Industries |
| Part Category | Oil Pumps |
| Sub-Type | Oil Pump |
| Engine Make | Caterpillar |
| Engine Model | 3406E · C15 · C15 ACERT |
Pack of 1.
PAI 341312E: Steel Oil Pump No Seal/O-Rings. Steel oil pump; direct application summary restricted to Caterpillar3406E / C15. No gasket or seal and no O-rings included; broader3406C Details andC15ACERT table category not promoted to direct fitment. Manufacturer-designated parent reference: CATERPILLAR 4N8734.
Manufacturer application categories
CATERPILLAR 3406E SERIES; CATERPILLAR C15 ENGINE; CATERPILLAR C15 ACERT ENGINE. Confirm the complete required part number and application before ordering.
Manufacturer product cross-references
CATERPILLAR 4N8734
Fits:
- CATERPILLAR 3406E SERIES
- CATERPILLAR C15 ENGINE
- CATERPILLAR C15 ACERT ENGINE
OEM cross-references:
- CATERPILLAR 4N8734
- PAI 341312E
Warranty: 12 months
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 |
|---|
| CATERPILLAR 4N8734 |
| PAI 341312E |
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.








