Featured
Shop By Brand
Parts
1953-1962 C1 Parts and Accessories
1963-1967 C2 Parts and Accessories
1968-1982 C3 Parts and Accessories
1984-1996 C4 Parts and Accessories
1997-2004 C5 Parts and Accessories
2005-2013 C6 Parts and Accessories
2014-2019 C7 Parts and Accessories
2020-2026 C8 Parts and Accessories
Apparel and Lifestyle
Garage Accessories and Tools
Interior and Exterior Touch-Up Paint
Special Edition Corvette Parts and Accessories
Additional Information
Knowledge Library
Call Center Open
|
1.800.500.1500
You are just $99.99 from
Free Shipping
within the contiguous U.S.
Home
Sign In
Register
0
Settings
My Wishlists
Gift Cards
My Orders
{1}
##LOC[OK]##
{1}
##LOC[OK]##
##LOC[Cancel]##
{1}
##LOC[OK]##
##LOC[Cancel]##
Menu
Categories
53-62 C1
63-67 C2
68-82 C3
84-96 C4
97-04 C5
05-13 C6
14-19 C7
20-25 C8
Lifestyle and Apparel
Featured Links
Knowledge Library
Custom Mats
New Products
Color Match
Shop By Brand
Bundle & Save
Email Signup
1961-1982 Corvette Expansion Tank Clamp Wittek Style 23
1968-1982 C3 Parts and Accessories
»
1968-1982 C3 Cooling System
Photos
{1}
##LOC[OK]##
{1}
##LOC[OK]##
##LOC[Cancel]##
{1}
##LOC[OK]##
##LOC[Cancel]##
Item ID:
670-346
GM reference #:
274337
Availability:
Estimated in stock on 2/9/2026 , Pre-order now
Fits Years:
1961-1962
1963-1967
1968-1982
$13.99
Add To:
Create List and Add Item:
Description
Alternate Products
1961-1982 Expansion Tank Clamp Wittek Style 23 - OEM Number(s) (274337)
1961-1982 Expansion Tank Clamp Wittek Style #23.
1-4 Used Per Corvette
Reproduction Of GM# 274337
Sold Individually
Also known under these part numbers: (For reference only)
12511111
24-08
242142
274337
4166921
6157
HC-635
m3316
1961-1972 C1-C3 Radiator Expansion Tank Hose Clamp Set 111607