
| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1925H |
4B1925HX |
|
| Sizes | STD, 025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7707in / 44.976mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8898in / 48mm |
|
| Max Wall at Crown |
0.0591in / 1.502mm |
0.0586in /1.489mm |
| Max Overall Length |
0.6890in / 17.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1912H |
4B1912HX |
|
| Sizes | STD, 025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.889in / 47.98mm |
|
| Max Std Shaft Size |
1.8898in / 48mm |
|
| Min Std Tunnel Size |
2.008in / 51.004mm |
|
| Max Std Tunnel Size |
2.0088in / 51.024mm |
|
| Max Wall at Crown |
0.0589in / 1.496mm |
0.0584in / 1.483mm |
| Max Overall Length |
0.7638in / 19.4mm |
|
| Notes | ||
|
Diagram |
![]() |
|

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1185H |
4B1185HX |
|
| Sizes | STD,.025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7709in / 44.981mm |
|
| Max Std Shaft Size |
1.7715in / 44.996mm |
|
| Min Std Tunnel Size | 1.8897in / 47.998mm | |
| Max Std Tunnel Size |
1.8905in / 48.019mm |
|
| Max Wall at Crown |
0.0586in / 1.488mm |
0.0581in / 1.475mm |
| Max Overall Length |
0.8307in / 21.10mm |
|
| Notes | ||
|
Diagram |
![]() |
|
Engines Mitsubishi - 2.0 Turbo (4G63, 4G63-T, 4G64-S4)

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1606H |
4B1606HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.8802" /47.758mm |
|
| Max Std Shaft Size |
1.8810" /47.778mm |
|
| Min Std Tunnel Size |
1.9921" /50.600mm |
|
| Max Std Tunnel Size |
1.9929" /50.619mm |
|
| Max Wall at Crown |
0.0553" / 1.405mm |
0.0548" /1.392mm |
| Max Overall Length |
0.748" / 19.00mm |
|
| Notes | Bearing has 1.65mm oil hole at crown | |
|
Diagram |
![]() |
|
Engines Audi 2.2 2.3 20V (incl. Turbo) S2, RS2, 200, S4, S6. 3B, 7A, AAN, ADU, ABY.

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1606H |
4B1606HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.8802" /47.758mm |
|
| Max Std Shaft Size |
1.8810" /47.778mm |
|
| Min Std Tunnel Size |
1.9921" /50.600mm |
|
| Max Std Tunnel Size |
1.9929" /50.619mm |
|
| Max Wall at Crown |
0.0553" / 1.405mm |
0.0548" /1.392mm |
| Max Overall Length |
0.748" / 19.00mm |
|
| Notes | Bearing has 1.65mm oil hole at crown | |
|
Diagram |
![]() |
|
Engines Audi / VW - 1.6 1.8 2.0 (2V, 4V, 5V, Turbo applicatons, 1983-2003)

Upper | Lower | Quantity | Position | Crankshaft | Housing | Max Length | Max Wall |
|---|---|---|---|---|---|---|---|
SV ![]() |
SV ![]() |
8 | 53.99 / 53.97 | 57.61 / 57.60 | 14.8 | 1.796 |

Uper | Lower | Quantity | Position | Crankshaft | Housing | Max Length | Max Wall |
|---|---|---|---|---|---|---|---|
SM ![]() |
SM ![]() |
4 | 1,2,4,5 | 0.000 / 0.000 | 0.000 / 70.000 | 22.400 | 2.494 |
SM ![]() |
SM ![]() |
1 | 3 | 0.000 / 0.000 | 0.000 / 70.000 | 27.051 | 2.494 |

| Position | Connecting rod: 1, 2, 3, 4, 5, 6 |
||||||
|---|---|---|---|---|---|---|---|
| Pairs & Part Numbers |
|
||||||
| Quantity | 6 | ||||||
| Crankshaft Diameter | 48.992 / 48.974mm | ||||||
| Housing Diameter | 53.000 / 53.015mm | ||||||
| Max Wall Thickness | 1.994mm | ||||||
| Max Length | 16.002mm |