Gearbox Mount

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Categories: Transmission | Transmission Modifications

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The Rear Engine Crossmember is more commonly called the gearbox crossmember. Nissan calls it the "Rear Engine Mounting Member". This transmission crossmember holds the rear engine insulator (rubber transmission mount). The crossmember matches the car, while the insulator matches the transmission type.

Contents 1 Overview 2 Crossmember 2.1 Transmission Swaps 2.2 Manual Transmission 2.2.1 B10 2.2.2 B110 2.2.3 B110 5-speed 2.2.4 B120 2.2.5 B210 2.2.6 B310 2.2.6.1 USA 2.2.7 5-speed 2.3 Automatic Transmission 3 Rubber Insulator 3.1 56-series 3.1.1 B10 3.2 60-series 3.3 63-Series 3.4 Automatic Transmission 3.4.1 B110 3.4.2 B10 3.4.3 B210 3.4.4 B310 3.5 Insulator Upgrades 4 Also See 5 Conversions

Overview

Album 15430

Album 4648 Album 884

Crossmember

Transmission Swaps

See:
* 60-Series Transmission Swap Notes
* 63-Series Transmission Swap Notes
* 71 Swap (CA18, SR20, L20B engine swaps etc.)
* Wide gearbox crossmember

Manual Transmission

Buy from Pitroad

B10

The same crossmember is used by all Datsun 1000 1966-1970. Only the insulator varies between automatic transmission and manual transmission
Album 24987

Applied Model Codes
180     designed for Datsun B10 introduction (1966)
203     designed for B10-DA Deluxe Automatic
258     designed for KB10 Coupe introduction (1968)

ENGINE MOUNTING [REAR]
Album 28811
7 Complete rear mount
  11320-18000 Manual transmission
  11320-20300 Automatic transmission sedan,van,truck
  11320-25820 Automatic transmission Coupe
Fixing insulator to member (4 each required)
  10 08110-61410 M6 x 14mm BOLT
  11 08915-13610 M6 medium spring LOCK WASHER
  12 08911-10610 M6 NUT
8 11321-18000 Insulator for manual transmission
  11321-20300 Insulator for auto transmission (except Coupe)
  11321-25820 Insulator for auto transmission Coupe
  9 11322-18000 Rear engine mounting member
  Fixing member to body (2 each required)
    13 08153-82510 M8 x 25mm BOLT [9.8?]
       08150-82510 M8 x 25mm BOLT [10.9?] (from Engine # A10-5960)
    14 08915-13810 M8 medium spring LOCK WASHER
    15 08915-43810 M8 PLAIN WASHER
  Fixing insulator to transmission extension housing
    (2 each required)
    16 11335-18000 BOLT Manual cars
       11335-20300 BOLT Automatic cars
    17 08915-14010 M10 medium spring LOCK WASHER
    18 08911-14010 M10 NUT
Reference:  DATSUN SUNNY B10/B20 1966-1970 parts catalog 1969.10 pages 19-2 to 19-3

B110

Album 24988

11322-H1002 MEMBER-engine mounting, rear 3-speed, 4-speed

Album 4648

B110 5-speed

• The 5-speed crossmember has a deeper dip, but is otherwise the same
• Both crossmembers use the same rubber insulator

11322-H7200 MEMBER-engine mounting, rear 5-speed < 11322-H7201 from '72-10

Album 23293 Album 4647

When fitting a GX5 gearbox, you may use the 4-speed crossmember with spacers:
Album 26070 Album 26071 Album 26072

H72 5-speed

B120

1200 Sunny Truck

11322-H1002 LB
11322-H1002 SB (up to '73-8)
11322-G1000 SB 7309-8503
11322-H1001 LB -8503
11322-G1900 SB 8504- > 11322-G1000
11322-G1910 LB 8504-

B210

MEMBER-engine mounting, rear

Japan
11322-H5000 3-speed, 4-speed (56-series)
11322-H7400 from 7510 Van (also replaces 11322-H5000)
11322-H7500 A14 B210 60-series 4-speed
11322-H5700 MEMBER-engine mounting, rear A12 5-speed F5C56
11341-H7500 MEMBER-engine mounting, rear A14 B210 5-speed 63-series

H50 56-series gearbox xmember
Album 26650 Album 26651 Album 26652 Album 8209

11322-H7500 60-series [3-bolt type]
Album 23282 Album 23283 Album 23284

USA
MANUAL, MEMBER-ENGINE MOUNTING REAR
11322-H6200 F4W56A <5> 11322-H6200 0973-0874
11322-H7300 F4W60L 0974-
11341-H7310 FSW63A 5-speed from April 1976

H731 63A
Album 24986 Album 24985

B310

Also see 60-series swap notes

60L 5-speed and all 60-series 4-speeds use the same crossmember and rubber insulator. The later 60A 5-speed uses a slightly different crossmember and insulator.

B310 Sunny | A10 Stanza
Album 6946 Album 27086

11340 MEMBER ASSY-ENGINE MOUNTING REAR

11340-H8500 B310 56-series 4-speed [2-bolt]
Album click to view
(spacers needed for 5-speed, leave off for 4-speed)
* 11321-H1000 INSULATOR-ENGINE MOUNTING REAR

11340-H8600 B310 60-series 4-speed & 60L 5-speed [4-bolt]
* 11320-W5000 INSULATOR-ENGINE MOUNTING REAR
Album click to view Album click to viewAlbum click to view Album click to view

11340-H8610 60A 5-speed <x> 11340-H8600
* 11320-H9100 INSULATOR-ENGINE MOUNTING REAR
Album click to view Album click to view

60L vs 60A
Album 25665

11340-H8700 AUTOMATIC
* 11320-W5800 INSULATOR-ENGINE MOUNTING REAR

B310 has several holes in the body for the 4 crossmember types.

• Auto, 60L, and 60A all look similar and are 4-bolt. It is assymetrical
• 56-series looks different and is 2-bolt
• 3 holes on left side are 39.6 and 43.2 mm apart (front to back)
• 3 holes on right side are 43.6 and 40 mm apart

Album 24055

B210 vs B310 comparisons
Album 23288 Album 23289

USA

56-series 4-speed
11341-H9110 A12.(CAN.1278- , USA.0879-)
* INSULATOR 11321-H6201

60-series F4W60/FS5W60L
11341-H8600 <> 11341-H9100
 11341-H8600 MT    intr-0779
 11341-H9100 MT    intr-0779.(FED+CAN)
 11341-H9100 MT.F4 0879-1079.(FED+CAN)
 11341-H8600 MT.F4 0879-exit.(CAL)
* INSULATOR 11320-H9100

60-series 5-speed FS5W60A
11340-H8610 MT.FS5W60A 0879- CAL
11340-H9700 MT.FS5W60A 0879- FED+CAN
* both use INSULATOR 11320-H9100

With a B310, custom crossmember are relatively easy to make, as there are three holes on each side of the B310 tunnel. For example, this long-tail 71-series crossmember is fabricated out of 3 strips of metal and uses the stock rubber insulator:

5-speed

5-speeds have their own gearbox crossmember. If you can't find the right crossmember, you can use a 4-speed crosssmember with 20 mm spacers.

Buy from Pitroad 20mm spacers

* 5S5W60L no spacers needed, use F4W60L xmember
* F5C56A  20 mm spacers on B110 crossmember
* FS5W60A 20mm spacers on F4W60L xmember
* FS5W63A use B110 automatic crossmember

B310.A12 4-speed crossmember adapted for 56-series 5-speed

B110 4-speed crossmember adapter for 56-series 5-speed

B310 56 4-speed crossmember adapter for 56-series 5-speed

Automatic Transmission

• 11322-H1020 MEMBER-engine mounting, rear Automatic B110
• 11322-H5200 MEMBER-engine mounting, rear Automatic early B210
• 11340-H7500 MEMBER-engine mounting, rear Automatic late B210
• 11341-H8700 MEMBER-engine mounting, rear Automatic B310

B210 USA 
AUTO, MEMBER-ENGINE MOUNTING REAR
11341-H5200 
11341-H7320 0974-0776
11340-H7500 AUTO -1276
11340-H7600 AUTO -1276 0177- <> 11340-H7500

B310 USA AUTOMATIC
11341-H9300 AT.FED+CAL
11341-H8700 AT.CAL
* both use INSULATOR 11320-W5800

B210
Album 23297

Rubber Insulator

There are different types of rear insulators.

The 56-Series Transmission type of mount bolts to the crossmember from the sides of the mount, just like these stock 1200 mounts:
Album click to view Album click to view Album click to view

This type, used with 60-Series Transmission, straddles the crossmember and bolts from the bottom:
Album click to view Album click to view

Automatic is yet again different.
Album click to view Album click to view

56-series
11321-18000 INSULATOR F4.56-series B10 
11321-H1000 INSULATOR F4.56-series B110, B120.(-8910)
11321-G1900 INSULATOR F4.56-series B120.(8910-)
11321-H6201 INSULATOR F4.56-series B310

60-series
11323-H7500 INSULATOR B210
11320-H9100 INSULATOR B310

63-series
11323-H7510 INSULATOR B210 FS5W63A A14/5-speed

AUTOMATIC
11321-20300 INSULATOR AT B10
11321-H1020 INSULATOR AT B110
11321-H2521 INSULATOR AT B210 early
11321-H7321 INSULATOR AT B210 late
11320-W5800 INSULATOR AT B310

56-series

rockauto.com

PN 11321-H1000 INSULATOR ASS'Y-engine mounting, rear manual trans $35.83 USD
* B110, B210, B310
* 56-series transmission (3-speed, 4-speed and 5-speed)
* Anchor 8115
* DEA A6380
* Pioneer 628115
* NAPA Balkamp BK 628115

H10 (B110) insulator has one flat flange, one bent flange
Album 23294 Album 26251

Album 26252

LATE B210 A12
11323-H7400 INSULATOR ASS'Y-engine mounting, rear MT
Anchor 2489

Connects with special bolts
Album 26367

B10

B10 MT mount looks identical to the newer B110 version.

11321-18000, 11321-20300 ASS'Y INSULATOR-rear 

Album 15724

60-series

rockauto.com

rear manual trans: A14 B210 4-speed (60-Series)
* 11321-H7500 INSULATOR ASS'Y-engine mounting
  Album click to view

B310 5-speed (60-series) from 7911
* 11320-H9100 INSULATOR-ENGINE MOUNTING REAR $120.48 USD
  superceded 11320-W5000 INSULATOR-ENGINE MOUNTING REAR B310
  KB310HF,B310HF (A12) 5-speed, A14 4-speed
* Anchor Industries 2489
  * 1972-1982 Nissan Vehicles
* Anchor Industries 2488
  * 1978 B210
  * 1979-1982 B310
  * 1984-1988 S12 (200SX)

63-Series

B210
USA B210 
11323-H7310 COMP.-INSULTOR ENGINE MOUNTING REAR 5-SPEED 0476-
* DEA A7316

4-speed
* DEA A6360

Automatic Transmission

B110: Similar to 56-series M/T insulator
B210: Has shift bracket integrated
B310: Rationalized to use 60/71 series M/T insulator

B110

11321-H1020 INSULATOR ASS'Y-engine mounting, rear auto trans B110 $54.18 USD
Album click to view
* Anchor 8115 $8.13 RockAuto.com
* Westar EM-8115

B10

Datsun 1000
11321-20300 ASS'Y INSULATOR-rear Coupe Automatic B10

B210

JAPAN
11321-H2521 INSULATOR ASS'Y-engine mounting, rear auto trans early B210
11321-H7321 INSULATOR ASS'Y-engine mounting, rear auto trans late B210 $117 USD

1974 USA 11320-H6900 Insul Mount USA -0874 $120 USD
Album click to view Album click to view Album click to view
* DEA A2760
* Westar EM-2760 CANADA
* Pioneer 622760

11320-H6900

11321-H7300

DEA A6380

DEA A2760

B310

11320-W5800 INSULATOR-ENGINE MOUNTING REAR B310 auto trans $79.77 USD
* C120, S110, S12?
Album click to view Album click to view
* Anchor 2488
** S12 CA20E MT
** S12 CA18ET 
** B210 A14 AT
** B310 some
** B210 1978

11320-W5000 910, B310, C120, F30

Insulator Upgrades

Kelpro mounts are tougher and hold up to racing.
Album 9132

Polyurethane
Album 20191

Also See

For swap details and other information, see:

* Transmission Interchange#Gearbox_Crossmember
* 56-Series Transmission
* 60-Series Transmission
* 63-Series Transmission

Conversions

See the following:

* Putting F5C56A into 4-speed cars: 56-Series_Transmission#56_5-speed_swap_Notes
* Putting 60-series transmission into 1200: 60-Series_Transmission#Swap_Notes

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