FREE next-day delivery on everything
Order now to receive on Tuesday

Delivery Options

TimescaleMethodCharge
Free next-day 98% of orders arrive the next working day Royal Mail 1st class * FREE
Guaranteed next-day Guaranteed to arrive on the next working day

Guaranteed next-day

In the extremely unlikely event that the courier does not attempt delivery on the next working day, you will be given:

- A 10% refund of the total order value

- A refund of £2.95 next-day courier charge

- A further voucher giving you 10% off your next order

Guaranteed next-day

In the extremely unlikely event that the courier does not attempt delivery on the next working day, you will be given:

- A 10% refund of the total order value

- A refund of £2.95 next-day courier charge

- A further voucher giving you 10% off your next order

Courier £2.95
Guaranteed pre-12 Guaranteed to arrive before 12 noon on the next working day

Guaranteed pre-12

In the extremely unlikely event that the courier does not attempt delivery before 12 noon on the next working day, you will be given:

- A 10% refund of the total order value

- A refund of £7.95 pre-12 courier charge

- A further voucher giving you 10% off your next order

Guaranteed pre-12

In the extremely unlikely event that the courier does not attempt delivery before 12 noon on the next working day, you will be given:

- A 10% refund of the total order value

- A refund of £7.95 pre-12 courier charge

- A further voucher giving you 10% off your next order

Courier £7.95

* Depending on size and value, some orders may be upgraded from Royal Mail to Courier.

Delivery Schedule

Order placedExpect to receive
Monday, before 5:15pm Next day (Tuesday)
Tuesday, before 5:15pm Next day (Wednesday)
Wednesday, before 5:15pm Next day (Thursday)
Thursday, before 5:15pm Next day (Friday)
Friday, before 5:15pm Monday
Saturday or Sunday Tuesday

Bank holidays

We do not despatch or deliver orders on bank holidays

Highlands and Islands

Deliveries may take 2 to 3 days longer to arrive

International deliveries

We only deliver to addresses within the UK.

Lowest online price guaranteed
We beat or match all other retailers
Lowest price guaranteed
and FREE next-day delivery

Lowest online price guaranteed

If within 7 days of your purchase you find the same product (brand and model) being offered online at a lower price, we will refund 100% of the difference. For further info, click here.

Lowest online price guaranteed

To claim against our low price guarantee simply contact us and include the following information:

  • Your full name, postal address, email address and order number
  • The product code of the item you found cheaper on a competitor's site
  • The exact page on the competitors website where you found the product cheaper

Our low price guarantee applies only to products available from online UK retailers. It excludes products that are not new and immediately available, online promotions such as special, bonus or free offers that are not at everyday prices and products which are sold under different terms and conditions, such as special financing, contract pricing or volume discount pricing.

Basically, the identical items must be in stock and ready for immediate dispatch on another VAT registered UK mainland based website.

Free next-day delivery

Our free delivery option typically uses Royal Mail first class. In 98% of cases, orders placed on Monday to Friday before 5:15pm will arrive on the next working day. To see other delivery options and our delivery schedule click here.

Delivery Schedule

Orders placed before 5:15pm on Monday to Thursday - receive next day

Orders placed before 5:15pm on Friday - receive on Monday

Orders placed on Saturday or Sunday - receive on Tuesday

Delivery Options

Free next-day

98% of orders arrive the next working day. Typically uses Royal Mail 1st class, though some orders may be upgraded to courier.

Guaranteed next-day (£2.95)

Uses courier. In the extremely unlikely event that delivery isn't attempted on the next working day, you will be given:

  • A 10% refund of the total order value
  • A refund of £2.95 courier charge
  • A further voucher giving you a further 10% off your next order

Guaranteed pre-12 (£7.95)

Uses courier. In the extremely unlikely event that delivery isn't attempted before 12 noon on the next working day, you will be given:

  • A 10% refund of the total order value
  • A refund of £7.95 courier charge
  • A further voucher giving you a further 10% off your next order

12 month warranty on everything

If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

Free returns

Whatever the reason for returning items to Cartridge Save, you will never pay a penny for postage.

Lowest online price guaranteed

We pride ourselves in giving our customers the best possible value for money. To ensure you are not out of pocket, we will refund 100% of the difference, if within 7 days of your purchase you find the same product (brand and model) being offered online at a lower price.

To claim against our low price guarantee simply contact us and include the following information:

  • Your full name, postal address, email address and order number
  • The product code of the item you found cheaper on a competitor's site
  • The exact page on the competitors website where you found the product cheaper

Our low price guarantee applies only to products available from online UK retailers. It excludes products that are not new and immediately available, online promotions such as special, bonus or free offers that are not at everyday prices and products which are sold under different terms and conditions, such as special financing, contract pricing or volume discount pricing.

Basically, the identical items must be in stock and ready for immediate dispatch on another VAT registered UK mainland based website.

Genuine Oki 43377103 Fuser Unit (43377103)

Genuine Oki 43377103 Fuser Unit (43377103)
0.3p per page (1 pack) 0.3p per page Pack of 1 toner cartridges

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

30,000 pages

Pack Contains:

- 30,000 pages

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

£77.73 (£93.28 inc VAT)

FREE next-day delivery

Multi-buy discount
  • Buy more, save money
  • 2 £75.83 (£91.00 inc VAT)
  • 3+ £75.15 (£90.18 inc VAT)
0.3p per page (1 pack) 0.3p per page Pack of 1 toner cartridges

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

30,000 pages

Pack Contains:

- 30,000 pages

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

  • Write a customer review | 2 answered questions
  • Lowest online price guaranteed

    If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

  • Lowest online price guaranteed

    If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

  • 12 month guarantee and FREE returns

    If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

    Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

  • 12 month guarantee and FREE returns

    If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

    Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

  • Will this item work in my printer?
0.3p per page

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

30,000 pages
  • 30,000 pages
Cartridge Save brand 12 month guarantee

Cartridge Save premium
recycled toner cartridges

Made using recycled Canon cartridges, these cartridges are a direct replacement for the Canon versions, and are guaranteed to produce high-quality prints.

12 month guaranteed

If within a year of purchase you happen to experience any quality problem with anything you buy from Cartrige Save, we'll happily provide a replacement or full refund.

Free returns

Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

Product Description

Product Description

Genuine Oki 43377103 Fuser Unit

Ensure better toner adherence with the genuine Oki 43377103 fuser unit. An old unit may have a lot of toner particles accumulating on it, which can affect the quality of the final output. For cleaner and more accurate print outs, a new Oki 43377103 fuser kit must be installed. Sharp text and accurate images will be produced on plain paper and speciality media, with inconsistencies, white gaps, and dust particles lessened or completely eliminated. This original Oki 43377103 fuser maintenance kit is a comprehensive product that contains all the important replacement parts for the fuser. It's easy to install the Oki 43377103 fuser which lasts for approximately 30,000 pages.


Buy High Quality Oki 43377103 Fuser At The Lowest Price

You can save money if you buy a new Oki 43377103 laser printer fuser unit from Cartridge Save. We have a low price policy where we’ll match any UK competitor’s website on the price of a genuine Oki 43377103 fuser, if we’re not already cheaper than them. You don’t need to compromise on quality either because we offer a full, 12 month money back guarantee on our Oki 43377103 fuser kit. Free shipping lets us reduce the price quote of our genuine Oki products like this 43377103 fuser, so you pay less for it than when you buy from another online retailer. We promise outstanding customer service with secure payment options through any major card, a data-encrypted server, and a dedicated sales team. Telephone support is also available if you need further assistance while ordering this brand new 43377103 fuser kit.

Product Specification

Product Specification

More Information
Manufacturer Part No.:43377103
Duty Cycle:Approx. 30,000 pages @ 5% average coverage
Brand:OKI
Colour:Fuser
Product Type:Fuser Kit

Other cartridges and multipacks in this range

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Genuine Oki 43378002 Transfer Belt
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Genuine High Capacity 4 Colour Oki 434593 Toner Cartridge Multipack - (43459332/31/30/29)
Genuine High Capacity 4 Colour Oki 434593 Toner Cartridge Multipack
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Genuine High Capacity Yellow OKI 43459329 Toner Cartridge (43459329 Laser Printer Cartridge)
Genuine High Capacity Yellow OKI 43459329 Toner Cartridge
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Genuine High Capacity Magenta OKI 43459330 Toner Cartridge (43459330 Laser Printer Cartridge)
Genuine High Capacity Magenta OKI 43459330 Toner Cartridge
£76.30 (£91.56 inc VAT)
Genuine High Capacity Cyan OKI 43459331 Toner Cartridge (43459331 Laser Printer Cartridge)
Genuine High Capacity Cyan OKI 43459331 Toner Cartridge
£72.61 (£87.13 inc VAT)
Genuine High Capacity Black OKI 43459332 Toner Cartridge (43459332 Laser Printer Cartridge)
Genuine High Capacity Black OKI 43459332 Toner Cartridge
£53.55 (£64.26 inc VAT)
Genuine 4 Colour OKI 4345943 Toner Cartridge Multipack (43459436/5/4/3)
Genuine 4 Colour OKI 4345943 Toner Cartridge Multipack
£211.20 (£253.44 inc VAT)
Genuine Yellow OKI 43459433 Toner Cartridge (43459433 Laser Printer Cartridge)
Genuine Yellow OKI 43459433 Toner Cartridge
£59.96 (£71.95 inc VAT)
Genuine Magenta Oki 43459434 Toner Cartridge (43459434 Laser Printer Cartridge)
Genuine Magenta Oki 43459434 Toner Cartridge
£59.96 (£71.95 inc VAT)
Genuine Cyan OKI 43459435 Toner Cartridge (43459435 Laser Printer Cartridge)
Genuine Cyan OKI 43459435 Toner Cartridge
£64.32 (£77.18 inc VAT)
Genuine Black OKI 43459436 Toner Cartridge (43459436) Laser Printer Cartridge)
Genuine Black OKI 43459436 Toner Cartridge
£37.39 (£44.87 inc VAT)
Genuine 4 Colour Oki 4346020 Image Drum Multipack (43460208/7/6/5)
Genuine 4 Colour Oki 4346020 Image Drum Multipack
£149.05 (£178.86 inc VAT)
Genuine Oki 43460205 Yellow Image Drum (43460205 Laser Printer Imaging Unit)
Genuine Oki 43460205 Yellow Image Drum
£39.34 (£47.21 inc VAT)
Genuine Oki 43460206 Magenta Image Drum (43460206 Laser Printer Imaging Unit)
Genuine Oki 43460206 Magenta Image Drum
£39.34 (£47.21 inc VAT)
Genuine Oki 43460207 Cyan Image Drum (43460207 Laser Printer Imaging Unit)
Genuine Oki 43460207 Cyan Image Drum
£39.34 (£47.21 inc VAT)
Genuine Oki 43460208 Black Image Drum (43460208 Laser Printer Imaging Unit)
Genuine Oki 43460208 Black Image Drum
£37.45 (£44.94 inc VAT)
Genuine High Capacity 3 Colour Oki 434593 Toner Cartridge Multipack - (43459329/30/31)
Genuine High Capacity 3 Colour Oki 434593 Toner Cartridge Multipack
£224.91 (£269.89 inc VAT)
Genuine 3 Colour OKI 4345943 Toner Cartridge Multipack (43459433/4/5)
Genuine 3 Colour OKI 4345943 Toner Cartridge Multipack
£176.33 (£211.60 inc VAT)
Genuine 4 Colour Oki 4345932 Toner Cartridge Multipack (43459324/3/2/1)
Genuine 4 Colour Oki 4345932 Toner Cartridge Multipack
£220.04 (£264.05 inc VAT)
Genuine Yellow Oki 43459321 Toner Cartridge (43459321 Laser Printer Toner)
Genuine Yellow Oki 43459321 Toner Cartridge
£63.77 (£76.52 inc VAT)
Genuine Magenta OKI 43459322 Toner Cartridge (43459322 Laser Printer Cartridge)
Genuine Magenta OKI 43459322 Toner Cartridge
£63.77 (£76.52 inc VAT)
Genuine Cyan Oki 43459323 Toner Cartridge (43459323 Laser Printer Toner)
Genuine Cyan Oki 43459323 Toner Cartridge
£63.77 (£76.52 inc VAT)
Genuine Black Oki 43459324 Toner Cartridge (43459324 Laser Printer Toner)
Genuine Black Oki 43459324 Toner Cartridge
£34.84 (£41.81 inc VAT)
Genuine 4 Colour Oki 4346022 Image Drum Multipack (43460224/3/2/1)
Genuine 4 Colour Oki 4346022 Image Drum Multipack
£151.53 (£181.84 inc VAT)
Genuine Oki 43460221 Yellow Image Drum (43460221 Laser Printer Imaging Unit)
Genuine Oki 43460221 Yellow Image Drum
£39.34 (£47.21 inc VAT)
Genuine Oki 43460222 Magenta Image Drum (43460222 Laser Printer Imaging Unit)
Genuine Oki 43460222 Magenta Image Drum
£39.34 (£47.21 inc VAT)
Genuine Oki 43460223 Cyan Image Drum (43460223 Laser Printer Imaging Unit)
Genuine Oki 43460223 Cyan Image Drum
£41.98 (£50.38 inc VAT)
Genuine Oki 43460224 Black Image Drum (43460224 Laser Printer Imaging Unit)
Genuine Oki 43460224 Black Image Drum
£39.34 (£47.21 inc VAT)

Product Information

Product Description

Genuine Oki 43377103 Fuser Unit

Ensure better toner adherence with the genuine Oki 43377103 fuser unit. An old unit may have a lot of toner particles accumulating on it, which can affect the quality of the final output. For cleaner and more accurate print outs, a new Oki 43377103 fuser kit must be installed. Sharp text and accurate images will be produced on plain paper and speciality media, with inconsistencies, white gaps, and dust particles lessened or completely eliminated. This original Oki 43377103 fuser maintenance kit is a comprehensive product that contains all the important replacement parts for the fuser. It's easy to install the Oki 43377103 fuser which lasts for approximately 30,000 pages.


Buy High Quality Oki 43377103 Fuser At The Lowest Price

You can save money if you buy a new Oki 43377103 laser printer fuser unit from Cartridge Save. We have a low price policy where we’ll match any UK competitor’s website on the price of a genuine Oki 43377103 fuser, if we’re not already cheaper than them. You don’t need to compromise on quality either because we offer a full, 12 month money back guarantee on our Oki 43377103 fuser kit. Free shipping lets us reduce the price quote of our genuine Oki products like this 43377103 fuser, so you pay less for it than when you buy from another online retailer. We promise outstanding customer service with secure payment options through any major card, a data-encrypted server, and a dedicated sales team. Telephone support is also available if you need further assistance while ordering this brand new 43377103 fuser kit.

Product Specification

More Information
Manufacturer Part No.:43377103
Duty Cycle:Approx. 30,000 pages @ 5% average coverage
Brand:OKI
Colour:Fuser
Product Type:Fuser Kit

Customer Questions & Answers

Customer Questions & Answers

Can't find the answer you're looking for? Ask us a question we're happy to help!

We are currently answering questions in: 8 minutes

Questions asked between 9am and 5pm, Monday to Friday excluding bank holidays will be answered within 30 minutes.
  • Does the Oki fuser unit 43377103 fit the Oki MC350 laser printer?

    Oki 43377103 fuser compatibility

    Yes, this original Oki 43377103 fuser is the correct part for the Oki MC350 and any other printer listed on this page under the heading, "This item is guaranteed to work in the following printers".

    Answered by Carla McDonald (Staff Member) - about 3 years ago
  • is this 43377103 fuser unit for the Oki C3520 MFP?

    Oki C3520 fuser unit

    Yes, we can confirm that this genuine Oki 43377103 fuser is the correct item for the Oki C3520 MFP. A list of compatible printers should be provided below in blue text.

    Answered by Paul Kielty (Staff Member) - about 6 years ago

Customer Reviews

Customer Reviews and Ratings

No reviews have been submitted yet!

Compatibility

This item is guaranteed to work in the following printers

Guaranteed to work in the following printers

To see a full list of products that work in your printer, click on the model name below: