Buick Special 46C, 1942-48
Convertible Top and Convertible Top Parts

Note that the Buick Super and Buick Roadmaster take a slightly different top.
Roadmaster and Super tops are listed on another page.

Buick Special Convertible Top Information:
  • Quality: Made to original specs, 100% fit guarantee.
  • Original Configuration: This is a classic two part convertible top: there is a main top and a rear window section. The two are integrated upon installation. Our tops are made with horseshoe zippered plastic rear window or horseshoe zippered "blank curtain." Tops come with the above rear window molding and their chrome tips. Fabric covered header bow seal is included. Rear fabric is marked for alignment with base line tacking strips.
  • About 'Blank Curtains.' : If you have a glass window assembly for installation then we can offer tops with double thickness fabric "blank curtains" to accept your window.  Here is a typical installation:
  • Original Fabrics: Haartz Pinpoint Vinyl in black, classic white, tan, and beige. Haartz Stayfast Canvas in black and tan..
    All seams are doubly electronically welded and sewn for added reinforcement. Convertible top fabrics are mildew & mold resistant, and UV treated for color fastness. Plastic windows are DOT rated heavy 40 gauge thick vinyl.    
  • Shop with confidence: These tops are made by Kee or EZ-On. Both offer six year manufacturer warranties. EZ-On adds an 18 month labor allowance.
  • Hydraulic Components: Hydraulic cylinders, motor pumps and hose sets all available and in stock.
  • Preview our Convertible Top Installation Guide


Convertible Tops and Packages

Convertible Tops and Packages

1942-1948 Buick Special 46C
Haartz Pinpoint Vinyl Convertible Top
           With Your  Choice of
 Horseshoe Zippered Plastic Window
Horseshoe Zippered Rear Blank Curtain

Note: Blank curtain is for those with glass and window
framework for installation to the curtain
Made by EZ-On AutoTops TO114

We will include our two part top manual if requested.

Rear Section:

As low as:
B.) Haartz Stayfast Canvas Convertible Top
                         Choice of
           Zippered Plastic Window
       Zippered Rear Blank Curtain

Note: Blank curtain is for those with glass window framework
for installation to the curtain.

Made by EZ-On Auto Tops

We will include our two part top manual if requested.
Rear Section:

As low as:
No need for a frame, this glass is built-in!
Available in two sizes 6" x 21" OR 8" x 25"
Will fold with top without zipping out.
For: 1942-48 Buick Special 46C Convertible Top
Buick Special 46C convertible tops and parts in this category fit model years: 1942, 1943, 1944, 1945, 1946, 1947 and 1948

Installation Supplies

Installation Supplies

New Edition!!!
Convertible Top Guys' "How To Remove and Install Classic Two-Part Tops."

This 40-page, extensively illustrated how-to manual walks you through removing and installing any two-part convertible top. The manual applies to almost all American convertibles made before the year 2004, and some foreign cars, too, like Celicas and Saabs. This 8 1/2 x 11 book is designed as both a tutorial for first-time installers and as a step-by-step manual for these convertible tops. Generally, all that is needed and not contained is the "bow height" which is the setting of the rear top frame bow for your convertible. This is available from any top distributor ot can be measured with the old top on the car (as illustrated.)

What skills are required ? (1) The ability to drive staples into bow frame tacking strips (2) The ability to orient fabric sections to the frame and apply with contact cement. (3) A systematic and careful personality ! (There is never any sewing required.)

Note: Very early cars (forties) had wood bows and installers will have to adjust processes for stapling to these bows instead of tacking strips in steel bows as described in manual.


Standard Black Top Pad Set, includes Quarter Pads,

Top Pads with Quarters,Black or Tan Stayfast Canvas

View Color
Plastic pry tool, great for prying fasteners and seals, pushing seals into retainers, loosening fabric etc
Set of Top Pads (Wrapped in Stayfast Canvas.)

View Color
The Arrow T50ACD electric staple gun drives wire staples with force. It will securely drive 1/4" and 3/8" staples into modern convertible top tack strips, eliminating the need for an air gun for convertible top installation. This stapler comes with the a supply of 1/4" and 3/8" staples.

This stapler also has a brad driving capability, so you can use this stapler again and again for a variety of jobs.

The Arrow T50ACD packs a well-balanced powerful, durable design. Comes complete with 10-foot, heavy-duty cord, a supply of T50 series staples, and a one-year manufacturer's warranty.

The Arrow T50ACD stapler has a spiral driven mechanism for consistent powerful driving power. Additional features include safety trigger lock, comfortable non-slip cushion grip, fastener reload, all-steel working parts, and 14-amp motor.

ARROW RIVET TOOL KIT RL100 rivet tool is built to last Durable all-steel construction with a - comfortable hi-vis vinyl grip Spring loaded handle makes for easy loading Includes two interchangeable nose pieces & - 25 ea. 1/8" & 3/16" medium aluminum rivets Includes custom molded case for easy storage and 50 of our two most popular rivets 25 each of 1/8 medium rivet and 25 each of 3/16 medium rivets.
Arrow T-50 Stainless Staples, 1/4", 300 Count


Arrow T-50 Stainless-Steel Staples 3/8", 300 Count


Arrow T-50 Stainless-Steel Staples, 3/8", 1000 Count


Arrow T-50 Stainless-Steel Staples, 1/4", 1000 Count
Trimmer Contact Cement: 4-Oz. Brush Top Can. Strong, Waterproof, Flexible Bond for Vinyl-coated and Vinyl-laminated Fabrics.
Trimmer Contact Cement: 8-Oz. Brush Top Can. Strong, Waterproof, Flexible Bond for Vinyl-coated and Vinyl-laminated Fabrics.
Plastic pry tool set, 7-piece kit

Great for prying fasteners and seals, pushing seals into retainers, loosening fabric etc.




"O" Ring Motor Pump Service Kit For Any American Makes

Our O-Ring kit contains the following items:(1) Drive Pin, (1) 1/8" Chrome Ball, (2) 1/4" Chrome Ball, (2) Pump Port O-Ring, (2) Reservoir O-Ring, (1) Reservoir bolt O-Ring, (1) Reservoir plug, (1)Reservoir Plug O-Ring (metal plug only).

Convertible Hydraulic Cylinder Yoke 1", 1946-52 GM, 1953 CADILLAC
Convertible Top Cylinder,PAIR 1946-1948 Lincoln, all except Continental; 1956-1957 Lincoln;1946-52 Buick,1946-53 Cadillac, 1946-50 Chevrolet,1949-54 Chrysler,1949-54 Dodge,1946-52 Olds,1949-54 Plymouth,1946-50 Pontiac

All convertible top cylinders are not the same. Our top cylinders are made from solid aluminum castings which are stronger than die-cast and our two-piece rod allows us to use a heavier, stronger steel. You won't find a better made convertible top cylinder on the market. All cylinders are made and assembled here in the U.S.A. and come with a 5 year warranty.

Chrome universal 6 volt toggle switch with wiring. Replaces original switch and wiring to connect directly with 6 Volt Motor Pump with no additional relays required. All wires are tagged for easy installation. Includes crimp connectors to attach wiring to motor and nylon tie straps to hide wiring.
DOES NOT REPLACE ORIGINAL RELAYS. This wire adapter is used to connect new 6 Volt Motor pump using original switch and wiring. No applicable for cars that originally had hydraulic windows. Includes instructions.
Hydraulic System Guide: A well illustrated 10 page, 8 1/2 x 11 guide to the operation, diagnosis, and bleeding of the motor pump and to the motor/pump and cylinder removal and reassembly. Diagnosis includes electrical testing procedures.
Set of 4 New Pointed Pump Grommets
Top Cylinder Mounting Bolt, One.
With Pin and Bushings
1 5/8" Long, 3/8" Diameter.
Top Cylinder Mounting Bolt, One
With Pin and Bushings.
1 1/8" Long, 3/8" in Diameter.
Top Cylinder White Nylon Bushing, Each
Motor pump reservoir plug, black rubber

Cleaning & Protectant

Cleaning & Protectant

A Combination Pack of RAGGTOPP Brand Canvas Cleaner & Protectant.
  • Plus:
  • Raggtopp Convertible Top Plastic Window Cleaner and Protectant Kit.
  • The Natural Horsehair Convertible Top Cleaning Brush
A Combination Pack of RAGGTOPP Brand Canvas Cleaner & Protectant

About RAGGTOPP products
A Combination Pack of the RAGGTOPP Brand Vinyl Cleaner and Protectant.
  • Plus:
  • Raggtopp Convertible Top Plastic Window Cleaner and Protectant Kit.
  • The Natural Horsehair Convertible Top Cleaning Brush
A Combination Pack of the RAGGTOPP Brand Vinyl Cleaner and Protectant Together

About RAGGTOPP products
Raggtopp Convertible Top Plastic Window Cleaner and Protectant Kit


  • Bottle Window Cleaner
  • Bottle Window Protectant
  • Sponge, Applicator Pad
  • Microfiber Towel

About RAGGTOPP products
Natural Horsehair Convertible Top Cleaning Brush

About Natural Horsehair Brush

Top Switch, Relays, Etc.

Top Switch, Relays, Etc.

Top Switch
Activates Raising/Lowering.
Heavy Duty: Rated for 50 amps.
Mount in any under dash hole.



1942-48 GM Convertible Weatherstrips. Includes right & left sides plus windshield posts. 8-Piece Set

Important Information

Original Factory Color(s): Black and GM White

Original Patterns:
These tops are made using original patterns that the factory obtained many years ago. They are not copies of copies.

The original convertible top was made of canvas. The modern anti-fade Haartz Stayfast canvas is the best topping fabric for this car. Haartz pinpoint vinyl is also an elegant classic fabric. It is less expensive than the Stayfast canvas.

Rear Window:
We offer a plastic rear window section and also a "blank curtain." The blank curtain is for those with access to a frame and glass that will be installed into the rear section (curtain.)

Two Part Tops:
This is a classic two part top. You will need to order the main top and the curtain separately for a full restoration. The two parts of the top are integrated during the installation.

Foam pads, encased in fabric, are installed under the top and "build out" the top. Our pad set comes with the longer and the shorter (rear) pads. Restorers who want the pads wrapped in canvas can do so. Most restorers of classics are opting for the pads wrapped in vinyl.

Custom Order:
These tops require about three weeks before they can be shipped.


We now stock hydraulic cylinders, motor-pumps, and hoses for your convertible tops. All are made to OEM specifications. Each can be ordered separately; however, when ordering hydraulic cylinders we recommend replacing both. The chances are that both hydraulic cylinders were manufactured at the same time: if one is on its way out the other may follow. If the top is raised and one hydraulic cylinder is working harder than the other the result over time can lead to a slightly bent convertible top frame. The replacement of both hydraulic cylinders will ensure that the top raises and lowers symmetrically.

Systems for this car take Automatic Transmission Fluid (ATF) and have a 1 year warranty when used with this fluid. Brake fluid should not be used as it voids the warranty. We also offer an installation manual when ordered.

The 12 volt motor-pumps include a mounting bracket with rubber grommets to reduce vibration.

Almost all manufacturers use Haartz fabrics. They may specify "heaviest weight" or "original replacement" in ways that seem reassuring. But they do not really tell the whole story. Please bear in mind that two things dominate, by far, the quality issue: (a) the manufacturing quality control in the factory that makes the top and (b) the care and thoroughness of the installation. There is a trade-off in weight: heavier is better for resisting tear through, but lighter is better for flexibility and abrasion from within that may arise from movement. Almost all our tops are a flexible medium density (36 oz.) fabric. Heavier is not better in most cases. Where it is, because of the top design, we will say so and the top will be made of the heavier vinyl.
Warranties outlined here are only applicable for products installed by a professional trim shop or professional upholstery shop. For Convertible Tops, and related products, the manufacturer will void the warranty for any product that is not professionally installed; manufacturer defects are covered by the warranty in such cases. The manufacturer is not responsible for damage due to improper installation.

Parts in this category (Buick Special 46C) fit cars for years: 1942, 1943, 1944, 1945, 1946, 1947 and 1948.