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Springfield
Springfield Kingpin Steel Deck Threaded Base 6" x 8" #1630004
$86.10
$106.88
Springfield 1630004 Seat Base
Threaded rectangular stainless steel base with satin finish. 4″ below deck needed. Requires a 2-1/2″ hole in thedeck. Use with any threaded KingPin post (sold separately).
Below the Deck mount (requires 2-1/2'' hole in deck)
Depth of cup: 4''
Use with any Threaded KingPin post
Size: 6''x8''
ABYC H-31: Class B.
Normalized SKU: 1630004UPC Code: 038132436046
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Springfield
Springfield Thread-Lock Aluminum Surface Mount Base 10" #3796010-AL
$83.36
$103.48
Springfield 3796010-AL Seat BaseThread-Lock™ Aluminum Surface Mount Base - 10"High-strength aluminum surface mount base with anodized finish. Use with any Thread-Lock™ fixed-height post (sold separately). Can be used with Thread-Lock™ table and grill posts (sold separately). Normalized SKU: 3796010ALUPC Code: 038132939615
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Springfield
Springfield KingPin Standard Square Steel Base with Brass 7" x 7" #3620001-B
$77.71
$96.46
Springfield 3620001-B Seat BaseKingPin™ Standard Square Steel Base with Brass - 7"x7"Standard square stainless steel base with satin finish. 3″ below deck needed. Requires a 2-1/2″ hole in the deck. Normalized SKU: 3620001BUPC Code: 038132916913
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Springfield
Springfield 5-Legged Deck Base with Plate #1580550-BLK
$514.54
$642.20
Springfield 1580550-BLK Seat Base5-Legged Deck Base with Plate33″ Diameter 5-legged deck base with pre-drilled 5/16″-18 tap mounting plate to accept any Springfield® Marine 12″ or 9″ round pedestal base. Approximately 4″ high with floor pods or 6″ high with casters. Pods and casters sold separately. Normalized SKU: 1580550BLK
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Shark Seating
Shark A3 Plinth Black Alloy 2850430mm Added Height #FXXCAA05
$530.94
$662.67
Shark Seating FXXCAA05 Seat BaseA3 Plinth Black Alloy 285-430mm Added HeightSpecifications:
Fastenings: M8x8
316 Stainless Steel
Weight: 5.2kg/11.5lbs
Alloy
Height adjustable
Normalized SKU: FXXCAA05UPC Code: 038132506442
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Shark Seating
Shark A2 Plinth Black Alloy 200-300mm Added Height #FXXCAA04
$424.54
$529.87
Shark Seating FXXCAA04 Seat BaseA2 Plinth Black Alloy 200-300mm Added HeightSpecifications:
Fastenings: M8x8
316 Stainless Steel
Weight: 4kg/8.7lbs
Alloy
Height adjustable
Normalized SKU: FXXCAA04UPC Code: 038132506435
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Shark Seating
Shark A1 Plinth Black Alloy 120-170mm Added Height #FXXCAA03
$327.70
$416.21
Shark Seating FXXCAA03 Seat BaseA1 Plinth Black Alloy 120-170mm Added HeightSpecifications:
Fastenings: M8x8
316 Stainless Steel
Weight: 3.2kg/7lbs
Alloy
Height adjustable
Adapter plate available for wider spacings
Normalized SKU: FXXCAA03UPC Code: 038132506428
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Springfield
Springfield Taperlock 9" Diameter Satin Base #3600003
$68.34
$82.01
Springfield 3600003 Seat BaseTaper-Lock™ 9" Diameter Satin BaseFeatures:
High-strength aluminum to withstand all conditions
Below the deck mount requires a 3-1/2″ hole in the deck
8″ mounting hole pattern
Flat side bases for limited space applications
Use with any Taper-Lock™ post (sold separately)
Warranty: 5 Years
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Normalized SKU: 3600003
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Shockwave
Shockwave Suspension Base Black S5-LW #SW-05026-B
$945.00
$1,134.00
Shockwave SW-05026-B Seat Base
The Shockwave S5-LW lightweight marine suspension base is our entry-level recreational suspension option. Designed to mitigate the shock of wave impact in light seas on freshwater lakes or cabin boats on the ocean. Constructed using anodized cast A360 aluminum with a powder coat finish.
Made from anodized A360 cast aluminum that has been powder coated and fitted with 304 stainless steel hardware, the S5-LW suspension base utilizes a three-link forward action suspension design.
Fitted with an X-Fusion O2 PRO R air spring and shock with adjustable rebound, suspension travel is 4-inch vertical and 1.5-inch forward, mitigating deceleration associated with wave impact.
The Shockwave S5-LW suspension base will be available to order in May 2025, and will ship in late June, 2025.
Custom tuned and valved marine X-Fusion O2 R, air spring and shock with adjustable rebound
Surge protection: Suspension travel is 4-inch vertical and 1.5-inch forward, mitigating deceleration associated with wave impacts
3-Link Forward Action
Anodized A360 Cast Aluminum, 304 SS Hardware, Powder Coated
Minimal parts count and simple construction
Easy to mount and adapt to current seating
Normalized SKU: SW05026B
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Shockwave
Shockwave Suspension Base SS S5-SS #SW-09108
$1,590.00
$1,844.40
Shockwave SW-09108 Seat Base
The new Shockwave S5-SS stainless steel suspension base is the latest addition to the S5 product line. Welded construction using electropolished 316 stainless steel to last a lifetime. The Shockwave S5-SS is best suited for salt water environments with high salinity, humidity, and moderate to heavy sea conditions.
Fitted with a FOX Rhythm air spring and shock with adjustable rebound and compression, suspension travel is 4-inch vertical and 1.5-inch forward, using a four-link forward action, mitigating deceleration associated with wave impact.
The Shockwave S5-SS suspension base will be available to order in May 2025, and will ship in late June, 2025.
Custom tuned and valved marine FOX Rhythm, air spring and shock with adjustable rebound and compression
Surge protection: Suspension travel is 4-inch vertical and 1.5-inch forward, mitigating deceleration associated with wave impacts
Electropolished Welded 316 Stainless Steel
4-Link Forward Action
Minimal parts count and simple construction
Easy to mount and adapt to current seating
Best for Professional Mariners Use in Heavy Seas
Normalized SKU: SW09108UPC Code: 646567022019
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Springfield
Springfield Regatta 2-7/8" HD 6" Seat Base Polished #1280106-MPL
$117.51
$145.87
Springfield 1280106-MPL Seat BaseSpringfield Regatta 2-7/8" HD 6" Seat Base Polished #1280106-MPLNormalized SKU: 1280106MPLUPC Code: 038132944992
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Swivl-Eze
Swivl-Eze 278 Airglide Slider 3 Degree Long Handle AO #278AO3AGL-1
$226.74
$287.97
Swivl-Eze 278AO3AGL-1 Seat BaseSwivl-Eze 278 Airglide Slider 3 Degree Long Handle AO #278AO3AGL-1Normalized SKU: 278AO3AGL1UPC Code: 022697278425
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 9" Height Bright AO #278AOBT090-1
$93.96
$116.64
Swivl-Eze 278AOBT090-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 9" Height Bright AO #278AOBT090-1Normalized SKU: 278AOBT0901UPC Code: 022697278081
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 11" Height Bright AO #278AOBT110-1
$96.98
$120.38
Swivl-Eze 278AOBT110-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 11" Height Bright AO #278AOBT110-1Normalized SKU: 278AOBT1101UPC Code: 022697278128
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 6" Height Gray AO #278AOGY060-1
$93.57
$116.15
Swivl-Eze 278AOGY060-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 6" Height Gray AO #278AOGY060-1Normalized SKU: 278AOGY0601UPC Code: 022697278036
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 7" Height Gray AO #278AOGY070-1
$95.11
$118.06
Swivl-Eze 278AOGY070-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 7" Height Gray AO #278AOGY070-1Normalized SKU: 278AOGY0701UPC Code: 022697278050
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 8" Height Gray AO #278AOGY080-1
$97.34
$120.83
Swivl-Eze 278AOGY080-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 8" Height Gray AO #278AOGY080-1Normalized SKU: 278AOGY0801UPC Code: 022697278074
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 10" Height Gray AO #278AOGY100-1
$102.31
$127.01
Swivl-Eze 278AOGY100-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 10" Height Gray AO #278AOGY100-1Normalized SKU: 278AOGY1001UPC Code: 022697278111
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 11" Height Gray AO #278AOGY110-1
$120.19
$149.20
Swivl-Eze 278AOGY110-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 11" Height Gray AO #278AOGY110-1Normalized SKU: 278AOGY1101UPC Code: 022697278135
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Swivl-Eze
Swivl-Eze 278 Pro Pedestal Base 12" Height Gray AO #278AOGY120-1
$101.62
$126.14
Swivl-Eze 278AOGY120-1 Seat BaseSwivl-Eze 278 Pro Pedestal Base 12" Height Gray AO #278AOGY120-1Normalized SKU: 278AOGY1201UPC Code: 022697278159
Frequently Asked Questions
First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!
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