Description

Master Cylinder and Booster – 1.125 in Bore – Dual Integral Reservoir – 7 in OD – Single Diaphragm – Steel – Gold Zinc Plated – Universal – Kit

Why Choose Us?



Frequently Asked Questionsโ€‹

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors.Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, youโ€™ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show whatโ€™s available. We always update the inventory 24/24. Weโ€™ll be happy to check availability and provide updates on new stock arrivals if you need a help.
Weโ€™re sorry to hear that your order wasnโ€™t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, weโ€™ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, weโ€™ll issue a full refund for the product value. Contact us for the return address and further instructions.

About TUFF-STUFF

Tuff-Stuff produces engine dress-up pieces, including A/C Compressors, alternators, brake boosters and master cylinders, accessory drives, starters, and more. Their products are available in high-quality chrome, polished aluminum and a variety of powder coat colors.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “TUFF-STUFF 7in Single Diaphragm Boo ster Combo w/2071 Master 2121NB”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    K AND N ENGINEERING Vent Air Filter 62-1600BL

    SKU: KNE62-1600BL
    Product information
    Details...
    Original price was: $9.14.Current price is: $8.31.Add to cart
    Original price was: $9.14.Current price is: $8.31.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    REDHORSE PERFORMANCE 6AN Black Hose 6ft 0230-06-06

    Product information
    Details...
    Original price was: $53.43.Current price is: $48.57.Add to cart
    Original price was: $53.43.Current price is: $48.57.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    OPTITORQUE TECHNOLOGIES LLC BBC Head Stud Kit Cast Iron OEM Mark IV 10502

    SKU: OTT10502
    Product information
    • Product Line

      Patriot Series

    • Bolt/Stud Kit

      Stud

    • Thread

      7/16-14 in

    • Head/Nut Style

      12 Point

    • Washers Included

      Yes

    • Assembly Lubricant Included

      Yes

    • Alloy

      8740

    Details...
    Original price was: $241.00.Current price is: $218.39.Add to cart
    Original price was: $241.00.Current price is: $218.39.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    POWERMASTER SBC Crank pulley 293

    SKU: PWM293
    Product information
    • Weight1.235 lbs
    • Dimensions7.05 × 6.35 × 1.5 in
    • Quantity

      Each

    • Hardware Included

      Yes

    • Diameter

      5.25 in

    • Material

      Aluminum

    • Color

      Gray

    Details...
    Original price was: $60.92.Current price is: $55.38.Add to cart
    Original price was: $60.92.Current price is: $55.38.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    QA1 Bleed Shims 5pk 7855-207

    SKU: QA17855-207
    Product information
    • Weight0.013 lbs
    • Dimensions1.5 × 1.5 × 0.1 in
    • Valve Style

      Disc

    • Outside Diameter

      1.298 in

    • Thickness

      0.006 in

    • Material

      Steel

    • Color

      Natural

    Details...
    Original price was: $35.23.Current price is: $32.03.Add to cart
    Original price was: $35.23.Current price is: $32.03.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VENTSHADE BUGFLECTOR II 24757

    SKU: VEN24757
    Product information
    • Weight2 lbs
    • Dimensions57.25 × 6.75 × 3.5 in
    • Product Line

      Bugflector II

    • Application Specific

      Yes

    • Material

      Plastic

    • Color

      Dark Smoke

    • Quantity

      Each

    Details...
    Original price was: $77.00.Current price is: $69.99.Add to cart
    Original price was: $77.00.Current price is: $69.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HEATSHIELD PRODUCTS Cold Air Intake Sleeve 274404

    SKU: HSP274404
    Product information
    • Weight1.105 lbs
    • Dimensions11.5 × 11.5 × 2.25 in
    • Product Line

      Heatshield Cool Intake System

    • Intended Use

      Air Intake Tube Shield

    • Direct Heat Resistance Fahrenheit

      1100 Degrees

    • Radiant Heat Resistance Fahrenheit

      2000 Degrees

    • Length

      3 ft

    Details...
    Original price was: $202.72.Current price is: $184.29.Add to cart
    Original price was: $202.72.Current price is: $184.29.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    FEL-PRO Intake Gasket - BBC R/P .030 Thick -236675
    Add to wishlist

    FEL-PRO Intake Gasket – BBC R/P .030 Thick -236675

    SKU: FEL1252-1
    Product information
    • Weight0.275 lbs
    • Dimensions26.95 × 5.8 × 0.4 in
    • Port Shape

      Rectangle

    • Port Height

      2.48 in

    • Port Width

      1.796 in

    • Thickness

      0.03 in

    • Distributor Base Gasket Included

      Yes

    Details...
    Original price was: $24.81.Current price is: $22.55.Add to cart
    Original price was: $24.81.Current price is: $22.55.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    EDELBROCK Valve Spring Retainers 9720
    Add to wishlist

    EDELBROCK Valve Spring Retainers 9720

    SKU: EDE9720
    Product information
    • Weight1.075 lbs
    • Dimensions5.75 × 3.7 × 2.2 in
    • Material

      Steel

    • Color

      Black

    • Finish

      Oxide

    • Quantity

      Set of 16

    • Degree

      7

    Details...
    Original price was: $113.79.Current price is: $98.95.Add to cart
    Original price was: $113.79.Current price is: $98.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DESIGN ENGINEERING 36in x 40in Heat Shield Gold Non Adhesive 10913
    Add to wishlist

    DESIGN ENGINEERING 36in x 40in Heat Shield Gold Non Adhesive 10913

    SKU: DSN10913
    Product information
    • Weight1.61 lbs
    • Dimensions9.35 × 7.1 × 3.3 in
    • Product Line

      Heat Screen Gold

    • Intended Use

      Universal

    • Direct Heat Resistance Fahrenheit

      800 Degrees

    • Length

      40 in

    • Material

      Metalized Radiant Mat

    Details...
    Original price was: $218.57.Current price is: $198.70.Add to cart
    Original price was: $218.57.Current price is: $198.70.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist

    0