SKU: 84453002170

GReddy Wastegate Diaphragm (11900311)

Sale price$141.08 Regular price$156.75
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Shipping Estimate
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

GReddy Wastegate Diaphragm (11900311)One of the most important components in a well designed turbocharged engine set up, is a properly sized wastegate. Too small of a wastegate can cause boost creep while too large of a wastegate will increase boost lag and decrease performance. Our GReddy external wastegates are made from the highest quality materials to insure both stability and durability in a turbocharger's boost control. Each unit is adjustable as well as rebuildable. Available in 4

One of the most important components in a well designed turbocharged engine set-up, is a properly sized wastegate. Too small of a wastegate can cause boost creep while too large of a wastegate will increase boost lag and decrease performance. Our GReddy external wastegates are made from the highest quality materials to insure both stability and durability in a turbocharger's boost control. Each unit is adjustable as well as rebuildable. Available in 4 sizes and various spring rates. From 0.8kg/cm2 (11psi) to 1.5kg/cm2 (21psi) and up.

Features:

  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and racing lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements

This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME.
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: 84453002170

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4.5 ★★★★★
Based on 27 reviews
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D.L. OHollaren, Jr.
Lexington, US
★★★★★ 3
fit
Snug fit.
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Reviewed in the United States on April 26, 2025
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Shopper scott
Grantham, US
★★★★★ 5
Ordering one of each color
Color: Dark Grey, Size: X-Large
Good quality for price. Probably the best item i have ever bottom off Amazon and this int a lie. I love this 1/4 zip vest. Works perfect.
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Reviewed in the United States on April 25, 2026
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Amazon Customer
Phoenix, US
★★★★★ 1
To heavy
Color: Black, Size: X-Large
Vest is heavy and frankly very warm can’t see in what environment I’d wear it because at 40-50 I would use light down coat with sleeves I returned from t same day I reviewed it
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Reviewed in the United States on January 8, 2026
E
Verified Purchase
Eric dyerly
Boise, US
★★★★★ 5
Golf vest
Color: Black, Size: XX-Large
Very comfortable! Well made! Looks good and great price! Wish it had pockets but other than that great
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Reviewed in the United States on May 18, 2026
R
Verified Purchase
Rick J
Fort Morgan, US
★★★★★ 5
Great Vest
this golf vest is amazing. It’s very well-made. It fits well, I’m a double X and I’m 62 and a slice of pizza from 230 pounds. I just love it and plan to buy more. I believe it’s gonna wear very well, but I’ll let you all know in a month or two after I’ve worn it a couple times and washed it a couple times.
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Reviewed in the United States on March 24, 2026

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