SKU: 92907091959

Blue Sea 8521 - 5 Position Contura Switch Panel w/Dual USB Chargers - 12/24V DC - Black [8521]

$111.15 $123.50
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Blue Sea 8521 - 5 Position Contura Switch Panel w/Dual USB Chargers - 12/24V DC - Black [8521]8521 5 Position Contura Switch Panel with Dual USB Chargers 12 24V DC Black Designed for open cockpit and flybridge applications using switches to complement existing controls commonly used on many boats. Features: Includes 12 24V DC, 4. 8A Dual USB chargers with intelligent device recognition that maximizes charge rate Designed for 12 or 24V DC systems Watertight mounting gasket ON indicating LEDs embedded in all switches Technical Specifications:

8521 - 5 Position Contura Switch Panel with Dual USB Chargers - 12/24V DC - Black

Designed for open-cockpit and flybridge applications using switches to complement existing controls commonly used on many boats.

Features:

  • Includes 12/24V DC, 4.8A Dual USB chargers with intelligent device recognition that maximizes charge rate
  • Designed for 12 or 24V DC systems
  • Watertight mounting gasket
  • ON indicating LEDs embedded in all switches

Technical Specifications:

  • Nominal Voltage - 12/24V DC
  • Operating Current - 18mA per switch
  • Switch Rating - 20A@12V and 15A@24V DC
  • USB - 12/24V Dual USB Charger 4.8A 
  • Dimensions (H x W x D) - 7.5" x 4.5" x 3.25" (190.5 x 133.35 x 76.2mm)

In the Box:

  • 8521 Panel
  • Labels
  • Mounting hardware

*Sold as Individual 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92907091959

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4.3 ★★★★★
Based on 13 reviews
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D
Verified Purchase
Dmytro Sushynskyi
Port Orchard, US
★★★★★ 5
Great filter!
Excellent filter! Fits my 2017 BMW X5 f15. Eliminates all external odors from the street.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 23, 2025
S
Verified Purchase
Shahida M Parveen
Omaha, US
★★★★★ 4
Fits bmw x5 35i 2015
Installation was pretty easy. Works as designed. Will update.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 16, 2023
M
Verified Purchase
MLG
Waukegan, US
★★★★★ 5
Great price
I love Mann filters. Great for the price and great quality. I was surprised how cheap they were ( my car takes 2 filters and two come in the box). They fit like a glove and now I am enjoying fresh air
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
E
Verified Purchase
Erik Pontes
Fort Morgan, US
★★★★★ 5
Can’t beat MANN quality
Bought to replace the filters on my 2015 bmw x5 as there was a musty smell from ac. Old filters were another junk company that fit very loosely. I was impressed by the quality and how secure the MANN filters locked into the housing; musty smell all gone now! Easy 10min replacement job, comes with VERY detailed instructions for the less mechanically inclined
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2024
K
Verified Purchase
Kody A.
Houston, US
★★★★★ 5
Great product
Fits our 2012 X5d perfectly. Do yourself a favor and youtube the process for replacing these. You'll see it's well worth doing yourself rather than paying a shop that charges a BMW premium on everything. Also something I learned recently... this is a low cost high charge item at the mechanic. A lot of times when they suggest replacing these it's because they just tick the box and don't actually look at them. We had our mechanic admit this on a recent service where it was suggested to replace, when we had just done it ourselves in April.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 23, 2023

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