what is the size of the wrench to use for this item?

You do not need a wrench. You can install hand tight. Turn till firm tight then if you can tighten no more than 1/4 turn. Use a rag or adjustable oil filter wrench.

What is the mircon rating?

see the graph in below link. depends on the efficiency. example aprox. at 20% about 4 microns, 80% at 14 microns, 99% at 24 micros etc https://www.stowerscat.com/p/74/Advanced%20Efficiency%20Engine%20Oil%20Filters.pdf

Will this filter work on my 04 duramax

Yes order a kit from mark decola diesel performance on instagram it’s 70 bucks but comes with with the adapter and the filter I run it on my lbz duramax

Can you use synthetic Oil with this filter?

oil is oil, it will filter it, the microns is what you look for in a high end filter

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Caterpillar 1R1807 1R-1807 Engine Oil Filter Advanced High Efficiency Multipack (Pack of 1)

Product ID: 25041157

Details

Brand
CAT
Item dimensions L x W x H
4.25 x 4.25 x
Material
Paper Steel
Product Grade
Performance
Vehicle Service Type
Loader

📏262mm height precision fit

🔩108mm diameter engineered

⚙️1.125-16 UNF thread size

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€ 85.47

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
CAT
Item dimensions L x W x H
4.25 x 4.25 x
Material
Paper Steel

Description

⚙️ Keep your engine running like a boss with genuine CAT power!

PRECISION FITMENT - Thread size and dimensions tailored for Caterpillar loaders
GENUINE CAT QUALITY - Authentic 1R-1807 filter ensures peak engine protection
TRUSTED PERFORMANCE - Top-rated with 4.8 stars from 700+ professional users
LOADER SPECIFIC DESIGN - Optimized for Caterpillar 1400 Series Wheel Loaders
DURABLE CELLULOSE MATERIAL - High-grade cellulose for superior filtration efficiency

The Caterpillar 1R1807 oil filter is a genuine, high-efficiency replacement part designed specifically for Caterpillar loaders, featuring a 1.125-16 UNF thread, 262mm height, and 108mm diameter. Made from durable cellulose material, it delivers reliable filtration and engine protection, backed by excellent user ratings and trusted OEM compatibility.

Specifications

ASIN	B01B27NAKQ
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#8,654 in Automotive ( See Top 100 in Automotive ) #137 in Automotive Replacement Oil Filters
Brand	CAT
Brand Name	CAT
Compatible with Vehicle Type	Loader
Customer Reviews	4.8 out of 5 stars 704 Reviews
Item Dimensions	4.25 x 4.25 x 10.31 inches
Item Weight	2.1 Pounds
Item dimensions L x W x H	4.25 x 4.25 x 10.31 inches
Manufacturer	Caterpillar
Manufacturer Part Number	1R-1807
Material	Cellulose
Material Type	Cellulose
Model Number	1R-1807
Number of Items	1
OEM Equivalent Part Number	1R-1807
Part Interchange Info	Compatible with Caterpillar 1400 Series Wheel Loader
Product Grade	Performance Part
Thread Size	1.125-16 UNF
UPC	760999041902
Unit Count	1.0 Count
Vehicle Service Type	Loader

Reviews

D**A

Great product

Works as advertised-great product

3.05.2026

R**M

best deal

Great deal and great price

7.05.2026

J**N

GREAT CAT FILTERS

good price received the product quickly fits perfectly genuine caterpillar

26.10.2025

R**M

Quality Filter

😀

29.03.2026

C**S

Cat

Cat is always the best

15.04.2026

D**.

quick shipping

arrived quickly an best priced

15.01.2026

R**D

Packaged Properly

Exactly as it should be

27.01.2026

S**H

Cat C7 filer

Perfect factory fit for my C7

5.08.2025

R**C

Good product and Fast delivry

25.01.2025

G**.

Works

Awesome used it before works grea

27.01.2026

A**Y

filter

reasonable price

23.07.2023

D**K

SCAM

17.01.2026

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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€ 85.47

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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3 days ago

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