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TCI MOD35820R

TCI Adjustable Vacuum Modulator GM TH350

890-MOD35820R

made in usa
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Save $20 Off $250, $50 Off $500, $100 Off $1,000, $150 Off $2,000. Promo Code: SAVEMORE exclusions apply

$13.99
TCI Adjustable Vacuum Modulator GM TH350 $13.99
Out of stock
More than 10 available
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Adjustable Vacuum Modulator
  • GM TH350
  • Items You May Also Consider

    Specifications:

    Manufacturer's Part Number:
    MOD35820R

    TCi offers a full line of adjustable Transmission Vacuum Modulators that are designed to provide you with optimal transmission performance by allowing you to adjust your shift points and line pressures. Simply adjust the screws that are located inside the vacuum nipple to control the desired amount of diaphragm preload.

    Features:
  • Made from High-Quality Materials
  • Designed for Optimal Performance
  • Can Adjust for Desired Diaphragm Preload

  • Does TCI MOD35820R fit your vehicle?

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    1976-1984  CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: BASE

    1977  BUICK SKYLARK

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980  GMC K2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977  BUICK SKYLARK

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SR
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  BUICK SKYLARK

    • Liter: 4.3
    • SubModel: S
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1971  CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1970  CHEVROLET G20 VAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1982  CHEVROLET C20 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1975  CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977  GMC SPRINT

    • EngineType: ALL
    • SubModel: ALL

    1974  GMC C35/C3500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966  CHEVROLET K10 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1976  CHEVROLET C20 SUBURBAN

    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  GMC C15/C1500 SUBURBAN

    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980  CHEVROLET K30 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1966  CHEVROLET C20 PICKUP

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 366
    • EngineType: V8 ( 6.0 L / 366 )

    1972  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: FORMULA
    • Engine Vin: T
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973  GMC JIMMY

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968  GMC C15/C1500 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969  GMC K1500 PICKUP

    • CC: 5012
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V6 ( 5.0 L / 305 )

    1977  OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: BASE

    1974  GMC K15/K1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC C25/C2500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975  PONTIAC ASTRE

    • CC: 2294
    • Liter: 2.3
    • SubModel: BASE
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1974  GMC C35/C3500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974  CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: ALL

    1982  CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1969  GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1966  CHEVROLET SUBURBAN

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1979  PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: FORMULA
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1965  BUICK ELECTRA

    • CC: 6572
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • CUI: 401
    • EngineType: V8 ( 6.6 L / 401 )

    1976  CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985  CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1975-1976  PONTIAC CATALINA

    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975  CHEVROLET IMPALA

    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973  GMC SPRINT

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC CABALLERO

    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: V6 ( 3.3 L / 200 )

    1966  CHEVROLET BEL AIR

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1979-1981  PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: FORMULA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972-1974  PONTIAC FIREBIRD

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: TRANS AM
    • Engine Vin: X
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1970  GMC G25/G2500 VAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980  CHEVROLET MONZA

    • EngineType: ALL
    • SubModel: 2+2

    1970  CHEVROLET K20 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1978  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ALL

    1966  CHEVROLET C30 PICKUP

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1974  CHEVROLET K20 SUBURBAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980  OLDSMOBILE CUTLASS SUPREME

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1981  GMC C1500 PICKUP

    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1969-1970  GMC C25/C2500 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973  GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1973  GMC K15/K1500 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968  GMC K15/K1500 PICKUP

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1969  OLDSMOBILE 442

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1977  OLDSMOBILE OMEGA

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC K15/K1500 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC C25/C2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  PONTIAC GRAND AM

    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975-1976  GMC K15 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  GMC SPRINT

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET NOVA

    • Liter: 4.3
    • SubModel: CUSTOM
    • CUI: 262
    • EngineType: V8 ( 4.3 L / 262 )

    1975  OLDSMOBILE CUTLASS

    • Liter: 7.5
    • SubModel: S
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972  CHEVROLET C20 SUBURBAN

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975  PONTIAC ASTRE

    • CC: 2294
    • Liter: 2.3
    • SubModel: S SAFARI
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1974  GMC C35/C3500 PICKUP

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET C10 SUBURBAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1980  CHEVROLET C10 PICKUP

    • Liter: 6.6
    • SubModel: BIG TEN
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1984  CHEVROLET C20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969  OLDSMOBILE 98

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1979  CADILLAC FLEETWOOD

    • Liter: 7.0
    • SubModel: BROUGHAM
    • CUI: 425
    • EngineType: V8 ( 7.0 L / 425 )

    1965-1966  PONTIAC STAR CHIEF

    • CC: 6900
    • Liter: 6.9
    • Aspiration: N
    • SubModel: BASE
    • CUI: 421
    • EngineType: V8 ( 6.9 L / 421 )

    1966-1967  CHEVROLET EL CAMINO

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1979-1980  PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: ESPRIT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979  PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1965  OLDSMOBILE F85

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  CHEVROLET G30 VAN

    • Liter: 6.6
    • SubModel: BEAUVILLE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  CHEVROLET MALIBU

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1985-1989  GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1969  GMC C25/C2500 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980  CHEVROLET C10 PICKUP

    • Liter: 5.0
    • SubModel: BIG TEN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1966  CHEVROLET K10 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975-1978  CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1975  CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  OLDSMOBILE 98

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC CABALLERO

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1966  CHEVROLET BEL AIR

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1976  CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET CAPRICE

    • CC: 6556
    • Liter: 6.6
    • SubModel: CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971  CHEVROLET K20 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968  GMC K15/K1500 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980  CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: BIG TEN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972-1974  PONTIAC GRAND PRIX

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971-1972  CHEVROLET G30 VAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977  OLDSMOBILE CUTLASS SUPREME

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1967  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971  OLDSMOBILE VISTA CRUISER

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC C1500 PICKUP

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984  GMC G25/G2500 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: RALLY
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971  OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    MOD35820R - TCI Adjustable Transmission Vacuum Modulators is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Excellent fit and function Bought to replace a rusty factory piece, I love the added adjustability though some instructions in regards to adjusting would have been nice. It only takes a few seconds to pull off the vacuum line and adjust using a tire valve core tool
    Date published: 2016-04-10
    • y_2019, m_9, d_21, h_16
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.13
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_211920, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.