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Photo of Housing, Speedometer Gear, TH400, 40-43 Tooth, In Transmission
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Housing, Speedometer Gear, TH400, 40-43 Tooth, In Transmission

Part# : G241649
Sold As: Each
Ship Size: Standard
Price Match: Eligible
$59.99
List Price: $66.95
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Estimated the week of 7/11/2026
Fits 1967–1987 Grand Prix View fitment for 19 models
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Genuine cast aluminum housings

Complete with necessary seals

OPGI offers these excellent reproduction speedometer drive gear housing specifically designed for the 40-43 tooth speedo gear TH400 transmissions, The housings are cast in premium grade aluminum, that has been machined to keep the gear in place and accept your original speedometer cable. Each housing comes with all necessary seals for a leak-free installation.

Find Item In These Catalogs

  • 2025 Cadillac 1936-1993 93
  • 2025 Chevelle, El Camino 64-77 273
  • 2025 Cutlass, F-85 & 442 61-77 175
  • 2025 GM G-Body 1978-1988 120
  • 2025 Grand Prix 1962-77 153
  • 2025 GTO, LeMans & Tempest 191
  • 2025 Monte Carlo 70-77 136
  • 2025 Riviera 1963-76 72
  • 2025 Skylark, GS & GSX 61-72 153
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National 40T-43T TH400
1984–1987 Buick Grand National 40T-43T TH400
1976–1987 Buick Regal 1978–1987: 40T-43T TH400
1967–1976 Buick Riviera 40T-43T TH400
1967–1972 Buick Skylark 40T-43T TH400
1983–1987 Buick T-Type 40T-43T TH400
1967–1976 Cadillac DeVille 40-tooth/43-tooth, TH400
1967–1978 Cadillac Eldorado  
1967–1976 Cadillac Fleetwood 40-tooth/43-tooth, TH400
1967–1977 Chevrolet Chevelle 40T-43T TH400
1967–1987 Chevrolet El Camino 1967–1977: 40T-43T TH400
1978–1987: 40T-43T TH400
1978–1983 Chevrolet Malibu 40T-43T TH400
1970–1988 Chevrolet Monte Carlo 1970–1977: (40-Tooth to 43-Tooth) TH400
1970–1977: 40T-43T TH400
1978–1988: 40T-43T TH400
1967–1988 Oldsmobile Cutlass 1967–1977: 40T-43T TH400
1978–1988: 40T-43T TH400
1967–1977 Pontiac Bonneville 40T-43T TH400
1982–1986 Pontiac Bonneville 40T-43T TH400
1967–1977 Pontiac Catalina 40T-43T TH400
1967–1987 Pontiac Grand Prix 1967–1977: 40T-43T TH400
1978–1987: 40T-43T TH400
1967–1973 Pontiac GTO 40T-43T TH400
1967–1973 Pontiac LeMans 40T-43T TH400
1967–1970 Pontiac Tempest 40T-43T TH400
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Housing, Speedometer Gear, TH400, 40-43 Tooth, In Transmission
Housing, Speedometer Gear, TH400, 40-43 Tooth, In Transmission