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Part Number
2W1605
CHECK NPR
Category: —
List Price
$60.29
Stock Status Available (Contact for Inquiry)
Fits Equipment Models (1)

CAT 2W1605 CHECK NPR fits Caterpillar 3306. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
135-3086-8288
WeChat: 135-3002-9789 / 135-3086-8288
Business days 8:00–18:00
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CAT 2W1605 CHECK NPR Caterpillar Part - WSTPARTS

2W1605 CHECK NPR — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement CHECK NPR (Part # 2W1605). Designed for CAT Caterpillar equipment.

Key Features

  • ✔ 100% compatible with CAT matching models
  • ✔ Meets Caterpillar original quality and performance standards
  • ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
  • ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)2W1605
Product NameCHECK NPR
BrandCAT
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

Where This Part Fits

Every row below is a real listing of 2W1605 in the Caterpillar parts manual: the machine it is published under, the system it belongs to, the group number and the manual page. Use it to confirm the part against your own parts book before ordering.

Machine System Group No. Manual Page
3306 ENGINE ARRANGEMENT 126-2412 p.55
3306 ENGINE ARRANGEMENT 126-2413 p.57
3306 ENGINE ARRANGEMENT 138-3069 p.99
3306 ENGINE ARRANGEMENT 170-1834 p.101
3306 ENGINE ARRANGEMENT 170-1834 p.103
3306 ENGINE ARRANGEMENT 104-4993 p.105
3306 ENGINE ARRANGEMENT 104-4993 p.107

System Notes — ENGINE ARRANGEMENT

The engine arrangement group covers the parts that mount and dress the engine as an assembly rather than the engine internals: engine mounts and isolators, belts and tensioners, pulleys, guards, brackets, and the plumbing that connects the engine to the rest of the machine. It is the interface layer, so its failures usually show up as vibration, belt squeal or a component that will not stay aligned. Worn isolators transmit vibration into the frame and fatigue nearby brackets; a tired tensioner lets the belt slip and takes the alternator or water pump with it. Parts are replaced when vibration at idle becomes noticeable or a belt starts tracking off its pulley.

FAQ

Is 2W1605 the right part for my machine?
Match the part number on your old part, or send us your equipment serial number — WSTPARTS verifies fitment free of charge.

Genuine vs OEM replacement — what is the difference?
Genuine CAT parts carry an anti-counterfeit label. OEM equivalents are built to the same specifications, bench-tested and supplied with full warranty at a better price.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a 12-month warranty.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com

Frequently Asked Questions
What equipment does 2W1605 fit?
CAT 2W1605 CHECK NPR fits 1 Caterpillar equipment model including 3306, verified against Caterpillar parts manuals and confirmed orders.
Where is 2W1605 listed in the Caterpillar parts manual?
2W1605 is listed in the Caterpillar parts manual under 3306, ENGINE ARRANGEMENT, group 126-2412, page 55.
How can I order 2W1605?
Add 2W1605 to the inquiry cart, or send us your machine model and serial number — we verify the part number before dispatch.

Parts Diagram

100%
2W-1605 LINES GP-FUEL DRAIN CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
13N-2886ADAPTER GP-SEAL (CRANKSHAFT)
24N-8267AFTERCOOLER GP-WATER
31P-4244BREATHER GP
41N-4406CAMSHAFT GP
57W-1324COOLER GP-FLTR BASE & ENG OIL
67N-1292COVER GP-CYLINDER BLOCK
72P-6528COVER GP-FRONT HOUSING
88N-4745COVER GP-VALVE MECHANISM
96N-8079CRANKSHAFT GP
108N-5286CYLINDER BLOCK GP
118N-0246CYLINDER HEAD GP
123N-2885DAMPER GP
137N-9536FASTENER GP-CYLINDER HEAD
141W-4486FASTENER GP-EXHAUST MANIFOLD
151W-3802FASTENER GP-FRONT HOUSING
162P-6855FILLER GP-ENGINE OIL
172W-1011FILTER GP-FUEL (SECONDARY)
187N-3496FLYWHEEL GP
193N-2898GAUGE GP-OIL LEVEL (DIPSTICK)
201W-5634GEAR GP-FRONT (TIMING)
219Y-4624HOUSING GP-FLYWHEEL
228N-0303HOUSING GP-FRONT
239Y-1318LIFTING GP-ENGINE
246N-8492LINES GP-AFTERCOOLER WATER
258N-2582LINES GP-AIR
262P-6105LINES GP-ENGINE OIL
272W-1605LINES GP-FUEL DRAIN
281W-3609LINES GP-FUEL INJECTION
292W-2291LINES GP-TURBOCHARGER OIL
304W-6157LINES GP-WATER
312P-6574MANIFOLD GP-EXHAUST
323N-2899PAN GP-OIL
332W-1177PISTON & ROD GP
343N-2884PULLEY GP-CRANKSHAFT
352W-4160PUMP & MTG GP-FUEL TRANSFER
362P-1784PUMP GP-ENGINE OIL
374W-1876PUMP GP-FUEL PRIMING
387W-9823PUMP GP-GOV & FUEL INJ
397N-5909PUMP GP-WATER
402P-6224SEAL GP-CRANKSHAFT
419Y-5905SUPPORT GP-ENGINE
427W-8581TURBOCHARGER GP
437N-8026VALVE MECHANISM GP AVAILABLE GASKET KIT(S):
445P-8772KIT-GASKET (AFTERCOOLER, LINES)
Quality Guarantee
Warranty Period 12 months / under normal use
After-sales Response Response within 24h, solution within 48h
Return Policy Return or exchange within 7 days of receipt (original packaging required)
Quality Inspection 100% inspected before shipment; inspection report on request
Technical Support Free installation guidance; engineer support online
📦 Packaging
Packing Method Genuine or neutral packaging available
Protective Packing Shock-proof & moisture-proof materials
Part Number Label Individual part number label
Customization Custom carton marking supported
After-Sales Service Process
01
Contact Us
Describe issue / send photos
02
Engineer Review
Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
Send-back / re-ship / refund
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