Fleetguard LF3970 Cummins Oil Filter

Save 31%
Fleetguard - Cummins Filtration

SKU: Fleetguard LF3970

Fleetguard LF3970 Cummins QSB, ISB Series Stratapore Replacement Oil Filter

5 reviews

Sale price$13.98 Regular price$20.26

Fleetguard LF3970 Stratapore Oil Filter

The Fleetguard LF3970 Cummins Stratapore Oil Filter is engineered for high-performance, heavy-duty diesel engines, like the QSB Series. This advanced filter provides superior filtration, ensuring optimal engine performance and extended maintenance intervals. Durable construction meets OEM specifications and renowned Fleetguard quality standards.


The Cummins QSB and ISB engines are Tier 3/Stage IIIA compliant 4-cylinder and 6-cylinder electronic QSB diesel engines. Cummins's QSB series diesel engines are smaller, quieter, hard-working diesel engines. The QSB series turbo diesel engines require the Fleetguard LF3970 high-performance oil filter to meet their extended service intervals. These Fleetguard Cummins Filtration Stratapore Oil Filters are available with a quantity discount if you purchase three or more replacement oil filters.

Fleetguard Cummins Filtration LF3970 Oil Filter is a Premium Oil Filter designed for use on engines equipped with the LH100 remote head.

The LF3970 Cummins Filtration Lubricating Oil Filter Applications:

  • QSB 3.9L Cummins Turbo Diesels.
  • QSB 4.5L Cummins Turbo Diesels.
  • B 4.5L Cummins Turbo Diesels.
  • QSB 5.9L Cummins Turbo Diesels.
  • QSB 6.7L Cummins Turbo Diesels.
  • ISB 6.7L Cummins Turbo Diesels.
  • B6.7L Cummins Turbo Diesels.
  • ISB5.9 Cummins Motorhome Built from 1998 to 2001
  • ISB5.9 Cummins Motorhome Built from 2002 to 2006 
  • ISB6.7 Cummins Motorhome Built from 2007 to 2009
  • ISB6.7 Cummins Motorhome Built from 2010 to 2012
  • B6.7 Cummins Motorhome Built from 2012 to 2016
  • B6.7 Cummins Motorhome Built from 2017 to 2020
  • B6.7 Cummins Motorhome Built from 2021 plus

Fleetguard LF3970 Oil Filter benefits:

  • Strength and durability
  • Less compromise of efficiency and life due to multi-layer Organic contaminant tolerance
  • Lower filter restriction for Cold Flow Filtration
  • Contains the patented StrataPore™ Filtration Media for improved filtration
  • Designed to meet the 500-hour service intervals

The FLEETGUARD LF3970 oil filter includes StrataPore™ Filtration Media, which is a multi-layered filter media with the optimum number of layers for particle removal. This Fleetguard LF3970 Oil Filter is a Cummins Filtration replacement oil filter that offers dependability and reliability that surpasses OEM specifications and customer requirements. Fleetguard LF3970 Oil Filter has unique layering capabilities that allow this StrataPore™ filter to provide a nearly 50% reduction of filter restriction during cold start. Fleetguard LF3970 Oil Filter is a StrataPore™ replacement oil filter containing Stronger and More Durable Filter Media, allowing customers to extend five hundred-hour service intervals without compromise. Fleetguard developed the LF3970 Stratapore Oil Filter to meet the Extended Service Environment (ESI) Compatibility replacement oil filter required for the Cummins QSB series 5.9L and 6.7L engines. The Fleetguard brand has been defining quality filtration products since 1963, and the Fleetguard Cummins Filtration LF3970 Oil Filter is another excellent product from FLEETGUARD.

Fleetguard LF3970 Oil Filter specifications:

  • 30 microns at 100% efficiency
  • 10 microns at 60% efficiency
  • The flow rate of 8.72 GPM
  • Maximum Working Pressure of 125 PSI.
  • Full-Flow Spin-On Lube Filter
  • Thread Size 1 1/8-16 UN-2B
  • Uses Filter Head LH100 Additional Information
  • The product contains the Stratapore filtration Media

Fleetguard LF3970 Oil Filter Cross Reference:

  • Baldwin B7177
  • Baldwin BT595
  • Baldwin BK6031
  • Cummins 3937736
  • Cummins 5404947
  • Donaldson P550428
  • Donaldson P551019
  • FRAM PH8942
  • Luber-Finer LFP3729
  • Luber-Finer LFP3970
  • NAPA 7028
  • NAPA 7182
  • Purolator L45881
  • Purolator L45391
  • Volvo 14406393
  • Wix 57028
  • Wix 57182

Dimensions of the Fleetguard Cummins Filtration LF3970 Lube Oil Filter:

  • The largest OD is 93.47 mm (3.68 in)
  • Overall Height 176.28 mm (6.94 in)
  • Thread Size 1-16 UN-2B Fleetguard

The Cummins Filtration LF3970 Diesel Oil Filter Supersedes:

  • Fleetguard LF3729
  • Fleetguard LF3937

NOTE: KLM Performance offers quantity discounts on the purchase of all Fleetguard Cummins Filtration filters for your Cummins diesel engine. Please add these lube filters to your cart to see the unit cost WITH THE QUANTITY DISCOUNT APPLIED.

  • by KLM Performance
  • Engine : Cummins QSB 3.9L | Cummins QSB 4.5L | Cummins QSB 5.9L | Cummins QSB 6.7L | ISB 6.7 | B 6.7
  • Flow Rate: The Stratapore Media Provides an Unrestricted Oil Flow of 8.72 Gallons Per Minute.
  • Filter Type: Lube Filter
  • Filtration Rating: The advanced Stratapore Lube Filtration Media captures harmful particles between 5 and 15 Microns. 
  • Item Number: Fleetguard LF3970
  • Make: Cummins 
  • Model
  • Year : 1998.5 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2007.5 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023
  • Manufacturer Part No: LF3970
  • Product Application: Fleetguard Cummins Filtration LF3970 Oil Filter for the Cummins QSB, ISB and B Engine Series.
  • Height: 4
  • Width: 8
  • Brand: Fleetguard - Cummins Filtration
  • FAQ: Why is the Stratapore media so effective when compared to Cellulose Media? StrataPore media filters twice as efficiently as cellulose and delivers almost 100% filtration efficiency for this range of particles. 
  • Part Number: LF3970
  • Manufacturer: Fleetguard - Cummins Filtration
  • Product Note: This Fleetguard LF3970 Oil Filter for the Cummins QSB Engine Series is in stock and ready for immediate shipment! 

Customer Reviews

Based on 5 reviews Write a review

Estimate shipping

You may also like

Recently viewed