ISUZU NRR 5.2 4HK1-TC Bypass Oil Filter Kit

$773.84

Shipping calculated at checkout.

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Shipping Notice: Due to high order volume, bypass oil filtration kits may take up to 5-7 business days to process before shipping.

ISUZU NRR 5.2 Bypass Oil Filter Kit

For many Isuzu NRR owners, this truck is more than transportation. It is a working asset that the business depends on every day. Whether it is used for deliveries, service work, equipment transport, commercial routes, or personal use, protecting the engine means protecting the investment behind it.

The Insane Diesel Isuzu NRR 5.2 Bypass Oil Filter Kit is designed for the 5.2L Isuzu 4HK1-TC diesel engine and works alongside the factory full-flow oil filter to provide much finer oil filtration.

Our system uses progressive 3-stage filtration down to 1 micron, helping remove extremely fine contaminants from the engine oil while also removing up to 99.9% of moisture.

Built for Hard-Working Isuzu NRR Trucks

Isuzu NRR trucks are commonly used in demanding applications involving long operating days, stop-and-go driving, extended idle time, heavy loads, and high annual mileage.

For a business, unexpected downtime can mean missed jobs, delayed deliveries, lost productivity, and lost revenue. Better oil filtration adds another layer of protection for an engine expected to work day after day.

Key Benefits

Progressive 3-stage filtration down to 1 micron
Removes up to 99.9% of moisture
Works alongside the factory oil filter
Continuously filters oil while the engine operates
Helps maintain cleaner engine oil in demanding diesel applications
Ideal for owner-operators, small businesses, fleets, commercial trucks, and individual NRR owners

For owners who want to take engine protection even further, the bypass system can also be paired with used oil analysisand the complete Insane Diesel Performance Protection System.

Protect the truck your business depends on with cleaner oil and a higher level of engine protection.

Fitment: Designed for applicable Isuzu NRR models equipped with the 5.2L Isuzu diesel engine.

Parts Included In This Kit

1 EXTREME2 bypass oil filter housing (HX2SHBK) (HX2SHBLU) (HX2SHRED)
1 EXTREME2 filter element (EX2ME) with 1 set of o-rings (GX1/2)
2 In/Out port fittings (AN06-04MS90)
5ft and 3ft of hose (LW06BK) Notice: Hose ships uncut as a single 8' continuous length to allow flexible mounting and routing.
1 Mounting bracket with hardware (ZBRCKX12)

Pressure Port

1 Pressure port fitting (TBSP) + (AN06-02MS90)

Return Port Options:

Side port on oil drain Pan (MP16-04FPBR) + (AN06-04MS90)

Image of our tee-fitting connected to pressure port :

Isuzu-NRR-5.2-bypass-Oil-Filter

BENEFITS OF ULTRA-FINE OIL FILTRATION

• Radically extend engine life 2X
• Reduce engine wear
• Keep oil up to 4X cleaner than new oil
• Progressive 3 stage filtration down to 1 micron, won't clog or drop efficiency like others filters
• Reduce soot and carbon buildup
• Reduce erosion of hoses & seals
• Extend oil change intervals
• Remove 99.9% of moisture
• Improve gas mileage
• Improve oil cooling
• Large housing holds 4000X more contaminants than OEM filters
• Easy installation and maintenance
• 15K (or up to *25K miles) 250 hours, or 1 year before maintenance is needed
• *Condition based oil analysis monitoring recommended when extending oil/filter change intervals

Learn More About the EXTREME Bypass Oil Filter System Here

View our FAQ page

Installation/assembly required by professional mechanic

Questions or Need Help?
Call (801) 901-0667

Shipping, Returns & Refund Policy

Name: ISUZU NRR 5.2 4HK1-TC Bypass Oil Filter Kit
Brand: Insane Diesel
Price: 773.84 USD
Availability: InStock

Shipping Policy

U.S. Shipping

We may occasionally use a shipping carrier different from the one selected at checkout to improve delivery speed, protect fragile items, or reduce overall shipping and handling costs, including packaging and processing.

International Shipping

International shipping charges are calculated at checkout and do not include customs duties, taxes, brokerage fees, or tariffs imposed by your country upon import. These fees are not controlled by Insane Diesel and vary by location and local regulations.

Customers are solely responsible for all import-related charges. We strongly recommend contacting your local customs office or postal service in advance to understand applicable fees before placing an order.

Canada: Estimated duties and taxes may be reviewed at https://www.cbsa-asfc.gc.ca/travel-voyage/dte-acl/est-cal-eng.html

Return & Refund Policy

General Return Policy

Due to the nature of aftermarket automotive components, returns are not accepted for buyer’s remorse, incorrect ordering, or compatibility issues. Customers are responsible for verifying vehicle compatibility prior to purchase. We encourage reviewing installation guides and confirming pressure and return port locations before ordering.

Products that have been installed, used, modified, contaminated with oil or fluids, or show signs of installation are not eligible for return or refund, except where required by law.

Any return request must be approved in advance. Returns sent without authorization may be refused.

Damaged, Defective or Missing Items

All products are inspected prior to shipment. If your order arrives damaged or defective, you must notify us within 7 business days of delivery and provide clear photos of the damage and packaging.

Only unused items in original condition are eligible for replacement or refund. Upon inspection and confirmation, you may choose between a replacement or a full refund.

Missing components must be reported within 15 days of the delivery date. Each order is packed individually to help ensure all components are included and to maintain quality control. A packing slip/manifest is included with every shipment; please review it upon delivery to verify that all components were received.

Approved Returns & Refunds

In rare cases where a return is approved (outside of damage on arrival), requests must be made within 30 days of delivery.

Approved refunds will be issued minus:

Return shipping costs
Original outbound shipping costs (even if free shipping was offered)
Payment processing fees charged by Shopify (approximately 2.4–2.5% + $0.30)

Refunds are issued to the original payment method after returned items are received and inspected.

Contact Us

If you have questions about shipping, returns, or refunds, please contact us at support@insanediesel.com.

Anodized Finish:
Our housings feature a high-quality anodized finish. Because anodized colors can photograph differently under various lighting conditions, the color shown online may appear slightly different in person. Minor tone, shading, or finish variation can also occur naturally from the anodizing process and is a normal characteristic of this type of premium finish.

Product Images:
Product images, especially kit photos, may show earlier versions of certain components. Some parts have since been updated to newer, improved generations and may appear slightly than images. These are the main components that have changed:

• Oil filler caps no longer come with brass swivel center. Replaced with new generation cap that works with our upgraded swivel fittings.

• Fittings in images may have changed slightly as we rolled out with improved versions for simplified installation.

• Steel or brass fittings in images may have changed to our new black fittings to reduce the need for multiple connection points.

• Some mounting brackets have been updated for easier and more convenient access.

Images will be updated soon. Thank you for your patience!

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