1.8L 20VT
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1.8L 20VT
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New product
Set of 8 trimetal connecting rod half-bearings with locating tangs for VAG EA827, 1.8T 20V and 2.0 TFSI EA113 petrol four-cylinder engines.
Here the EA827 family covers the VAG 1.8 and 2.0 litre petrol four-cylinder engines, with 8 and 16 valves, fitted from the Golf I to the Golf III, Corrado and Passat B4 (codes DX, GX, PF, PG, KR, PL, 9A, ABA, ABF, 2E, ADY, AGG among others). The 1.8T 20V EA113 (AEB, AGU, APX, ARZ, AUQ, AWP, BAM and later codes) powers the A3, A4, TT, Golf IV, Leon and New Beetle, followed by the 2.0 TFSI EA113 (AXX, BWA, BPY, BHZ, BYD, CDL) in the A3, TT, Golf V GTI, Golf VI R and Leon Cupra. All share the same connecting rod journal diameter: a single bearing set covers the whole family.
A trimetal bearing stacks three layers: a steel back, a copper-lead intermediate layer with high load capacity and an anti-friction running surface that protects the journal. The complete set contains 8 half shells, four pairs for a four-cylinder engine.
The original bearing relies on an aluminium alloy over a steel back, intended for low to medium loads, whereas trimetal is designed for high, sustained loads: an aluminium bi-metal takes around 8,000 psi, a performance trimetal up to 12,000 psi, 50% more. Hence better resistance and better durability on turbocharged, supercharged and high-revving engines.
| ACL / King bearings Crankpin Ø 47.758 / 47.778 mm Housing bore Ø 50.600 / 50.619 mm Width 19 mm | OEM reference Crankpin Ø 47.758 / 47.778 mm Width 19 mm |
| Reference | Brand and treatment | Size | Wall thickness (mm) OEM: 1.392 to 1.405 |
|---|---|---|---|
| 4B1606H-STD | ACL Race - Untreated | Standard | 1.405 |
| 4B1606HX-STD | ACL Race - Untreated | Std, increased clearance (HX) | 1.392 |
| 4B1606H-.025 | ACL Race - Untreated | +0.025 | 1.418 |
| 4B1606H-.25 | ACL Race - Untreated | +0.25 | 1.530 |
| 4B1606H-.50 | ACL Race - Untreated | +0.50 | 1.655 |
| 4B1606HC-STD | ACL Race - Calico | Standard | 1.405 |
| 4B1606HXC-STD | ACL Race - Calico | Std, increased clearance (HX) | 1.392 |
| 4B1606HC-.025 | ACL Race - Calico | +0.025 | 1.418 |
| 4B1606HC-.25 | ACL Race - Calico | +0.25 | 1.530 |
| CR4104XP | King Racing - Untreated | Standard | 1.405 |
| CR4104XP STDX | King Racing - Untreated | Std, increased clearance (STDX) | 1.392 |
| CR4104XP0.25 | King Racing - Untreated | +0.25 | 1.532 |
| CR4104XP0.5 | King Racing - Untreated | +0.50 | 1.659 |
| CR4104XPC | King Racing - pMaxKote | Standard | 1.405 |
| CR4104XPC STDX | King Racing - pMaxKote | Std, increased clearance (STDX) | 1.392 |
| CR4104XPC0.25 | King Racing - pMaxKote | +0.25 | 1.532 |
The running clearance is the gap between the bearing and the journal where the oil film flows.
In operation, the crankshaft journal does not rub against the bearing: it rides on this oil film, which carries the load. Clearance sets the thickness of this film: too tight, oil flows poorly, temperature rises and the risk of seizure increases; too loose, oil escapes, the film loses load-carrying capacity and oil pressure drops. The right clearance is the balance between adequate lubrication and a well-maintained oil film.
| Size / grade | When to choose it | ACL Race Series | King XP / XPC |
|---|---|---|---|
| Standard (STD) | Standard journal, not reground | 0.051 to 0.061 mm | 0.048 mm - 0.050 mm |
| Increased clearance (HX / STDX) | Wider clearance: high oil flow, high rpm | 0.076 to 0.086 mm | 0.073 mm - 0.075 mm |
| +0.025 mm | Polished journal | 0.051 to 0.061 mm | |
| +0.25 mm | Journal reground to 0.25 mm | 0.051 to 0.061 mm | 0.048 mm - 0.050 mm |
| +0.50 mm | Journal reground to 0.50 mm | 0.051 to 0.061 mm | 0.048 mm - 0.050 mm |
Checking on assembly: lay a calibrated strip (Plastigauge) on the journal, torque the rod cap to spec (see the torque table below), then compare the crushed strip against the gauge to read the clearance.

| Bolts | By torque |
| Original bolts (OEM), EA827 and 1.8T 20V | 30 Nm + 90° |
| Original bolts (OEM), 2.0 TFSI EA113 | 45 Nm + 90° |
The ACL and King rod bearings shown here are trimetal bearings, designed for engine building and racing. Compared with an original bearing, they handle far higher loads: they cope with increased power, high rpm or the addition of a turbo or supercharger, where a standard bearing quickly reaches its limit.
![]() | ACL Bearing Company, an Australian manufacturer of high-performance engine bearings since 1949, offers with its Race Series precise trimetal bearings, available in many sizes and proven on built engines worldwide. Its Calico version (HC suffix) adds a dry film lubricant coating that reduces friction and abrasive wear. |
![]() | King Engine Bearings, an Israeli manufacturer of high-performance engine bearings since the 1960s, offers with its pMax Black trimetal alloy bearings designed for heavy loads, with a pMaxKote coating available as an option (XPC version). |
| Criterion | ACL Race Series | King Racing |
| Cross-section | ![]() | ![]() |
| Type | High-performance trimetal bearing | High-performance trimetal bearing |
| Country of manufacture | Australia | Israel |
| Construction | Trimetal: steel back, copper layer, soft surface | Trimetal: steel back, copper layer, soft surface |
| Alloy | Race Series (copper-lead) | pMax Black (hardened copper-lead) |
| Protective coating | No (Race); Calico (HC) | pMaxKote (optional, XPC version): polymer coating on the surface that limits wear when lubrication drops (start-ups, thin oil film). |
| Available sizes | Standard to +0.50 mm (+ increased clearance HX) | Standard to +0.50 mm (+ increased clearance STDX; XPC: standard, STDX and +0.25) |
This connecting rod bearing set fits the VAG petrol four-cylinder engines sharing the same connecting rod journal diameter:
| Model (chassis) | Engine | Power | Years |
|---|---|---|---|
| Audi | |||
| A1 (8X1, 8XK) | 2.0 TFSI (CDLH) | 256 hp | 2012 |
| A3 (8L1) | 1.8 T 20V (AGU, AJQ, AMK, APP, APY, AQA, ARX, ARY, ARZ, AUM, AUQ, BAM) | 150–224 hp | 1996–2003 |
| A3 (8P1, 8PA) | 2.0 TFSI (AXX, BHZ, BPY, BWA, BZC, CDLA, CDLC) | 200–265 hp | 2004–2013 |
| A4 B5 (8D2, 8D5) | 1.8 T 20V (AEB, AJL, ANB, APU, ARK, ATW, AWM, AWT) | 150–180 hp | 1995–2001 |
| A4 B6 (8E2, 8E5, 8H7) | 1.8 T 20V (AVJ, AWM, BEX, BFB) | 150–190 hp | 2000–2005 |
| A4 B7 (8EC, 8ED, 8HE) | 1.8 T 20V (BFB) | 163 hp | 2004–2009 |
| A4 B7 (8EC, 8ED, 8HE) | 2.0 TFSI (BGB, BPG, BPJ, BUL, BWE, BWT, BYK) | 170–220 hp | 2004–2009 |
| A6 C5 (4B2, 4B4, 4B5, 4B6) | 1.8 T 20V (AEB, AJL, ANB, APU, ARK, AWT) | 150–180 hp | 1997–2005 |
| A6 C6 (4F2, 4F5) | 2.0 TFSI (BPJ, BYK) | 170 hp | 2005–2011 |
| TT (8J3, 8J9) | 2.0 TFSI (BPY, BWA, CDLA, CDLB, CDMA) | 200–272 hp | 2006–2014 |
| TT (8N3, 8N9) | 1.8 T 20V (AJQ, APP, APX, ARY, AUM, AUQ, AWP, BAM, BFV, BVP) | 150–245 hp | 1998–2006 |
| Seat | |||
| ALHAMBRA (7V8, 7V9) | 2.0 8V (ADY) | 115–116 hp | 1996–2010 |
| ALTEA (5P1, 5P5, 5P8) | 2.0 TFSI (BWA) | 200 hp | 2006–2009 |
| CORDOBA (6K1, 6K2) | 1.8 T 20V (AQX, AYP) | 156 hp | 2000–2002 |
| CORDOBA (6K1, 6K2) | 2.0 16V (ABF) | 150 hp | 1996–1999 |
| CORDOBA (6K1, 6K2) | 2.0 8V (2E, AGG) | 115 hp | 1993–1999 |
| EXEO (3R2, 3R5) | 2.0 TFSI (BWE) | 200 hp | 2009–2013 |
| IBIZA II (6K1) | 1.8 T 20V (AQX, AYP) | 156–180 hp | 2000–2002 |
| IBIZA II (6K1) | 2.0 16V (ABF) | 150 hp | 1996–1999 |
| IBIZA II (6K1) | 2.0 8V (2E, AGG) | 115 hp | 1993–1999 |
| IBIZA III (6L1) | 1.8 T 20V (BBU, BJX) | 150–180 hp | 2003–2008 |
| LEON (1M1) | 1.8 T 20V (AJQ, AMK, APP, ARY, AUQ, BAM) | 180–225 hp | 1999–2006 |
| LEON (1P1) | 2.0 TFSI (BWA, BWJ, CDLA, CDLD) | 185–265 hp | 2005–2012 |
| TOLEDO I (1L2) | 1.8 16V (KR, PL) | 125–139 hp | 1991–1999 |
| TOLEDO I (1L2) | 2.0 16V (ABF) | 150 hp | 1993–1999 |
| TOLEDO I (1L2) | 2.0 8V (2E, AGG) | 115 hp | 1991–1999 |
| TOLEDO II (1M2) | 1.8 T 20V (APP, ARY, AUQ) | 180 hp | 2000–2004 |
| TOLEDO III (5P2) | 2.0 TFSI (BWA) | 200 hp | 2005–2009 |
| Volkswagen | |||
| BORA (9M2) | 1.8 T 20V (AUQ, AWP, BEK) | 179 hp | 2005–2014 |
| BORA I (1J2) | 1.8 T 20V (AGU, ARX, AUM, AUQ, AWD, AWP, AWW) | 150–180 hp | 2000–2005 |
| BORA Variant (1J6) | 1.8 T 20V (AGU, ARX, AUM, AUQ, AWD, AWP, AWW) | 150–180 hp | 2000–2005 |
| CADDY I (14) | 1.8 8V (JH) | 95 hp | 1985–1992 |
| CORRADO (53I) | 1.8 16V (KR) | 136 hp | 1989–1992 |
| CORRADO (53I) | 1.8 G60 (PG) | 160 hp | 1988–1993 |
| CORRADO (53I) | 2.0 16V (9A) | 136 hp | 1991–1995 |
| CORRADO (53I) | 2.0 8V (2E, ADY) | 115 hp | 1993–1995 |
| EOS (1F7, 1F8) | 2.0 TFSI (BPY, BWA) | 200 hp | 2006–2015 |
| FOX (16) | 1.8 8V (DX) | 112 hp | 1990–1996 |
| GOLF I (17, 155) | 1.8 8V (DX, JH) | 91–112 hp | 1982–1993 |
| GOLF II (19E, 1G1) | 1.8 16V (KR, PL) | 129–139 hp | 1986–1991 |
| GOLF II (19E, 1G1) | 1.8 8V (DX, GX, HT, PF, RD, RV) | 90–112 hp | 1983–1991 |
| GOLF II (19E, 1G1) | 1.8 G60 (PG) | 160 hp | 1988–1991 |
| GOLF II (19E, 1G1) | 2.0 16V (9A) | 136 hp | 1989–1992 |
| GOLF III (1H1) | 2.0 16V (ABF) | 150 hp | 1991–1997 |
| GOLF III (1H1, 1E7, 1H5) | 2.0 8V (2E, ABA, ADY, AGG) | 115–116 hp | 1991–1999 |
| GOLF IV (1J1, 9B3, 1J5) | 1.8 T 20V (AGU, AQA, ARZ, AUM, AUQ, AWD, AWP, AWW, BEK) | 150–193 hp | 1997–2010 |
| GOLF IV Cabriolet (1E7) | 2.0 8V (ABA, AGG) | 115 hp | 1998–2002 |
| GOLF V (1K1, 1K5) | 2.0 TFSI (AXX, BPY, BWA, BYD) | 200–230 hp | 2004–2009 |
| GOLF VI (5K1, 517) | 2.0 TFSI (CDLA, CDLC, CDLF, CDLG, CRZA) | 235–271 hp | 2009–2016 |
| JETTA I (16) | 1.8 8V (DX, JH) | 95–112 hp | 1982–1986 |
| JETTA II (19E, 1G2, 165) | 1.8 16V (KR, PL) | 129–140 hp | 1986–1991 |
| JETTA II (19E, 1G2, 165) | 1.8 8V (GX, HT, PF, RD, RV) | 90–107 hp | 1984–1992 |
| JETTA II (19E, 1G2, 165) | 2.0 16V (9A) | 136 hp | 1989–1992 |
| JETTA III (1K2) | 2.0 TFSI (AXX, BPY, BWA) | 200 hp | 2005–2010 |
| NEW BEETLE (9C1, 1C1) | 1.8 T 20V (AGU, APH, AVC, AWP, AWU, AWV, BKF, BNU) | 150–180 hp | 1999–2010 |
| NEW BEETLE Convertible (1Y7) | 1.8 T 20V (AWU, AWV, BKF) | 150 hp | 2003–2010 |
| PASSAT B3/B4 (315, 3A5, 3A2, 35I) | 2.0 8V (2E, ABA, ADY, AGG) | 115–116 hp | 1989–1997 |
| PASSAT B3/B4 (3A2, 35I, 3A5) | 1.8 16V (KR) | 136 hp | 1988–1989 |
| PASSAT B3/B4 (3A2, 35I, 3A5) | 1.8 G60 (PG) | 160 hp | 1988–1997 |
| PASSAT B3/B4 (3A2, 35I, 3A5) | 1.8 8V (PF) | 107 hp | 1988–1993 |
| PASSAT B3/B4 (3A2, 35I, 3A5) | 2.0 16V (9A, ABF) | 136–150 hp | 1988–1997 |
| PASSAT B5 (3B2, 3B5) | 1.8 T 20V (AEB, ANB, APU, ATW) | 150 hp | 1996–2000 |
| PASSAT B5.5 (3B3, 3B6) | 1.8 T 20V (AWM, AWT) | 150–170 hp | 2000–2005 |
| PASSAT B6 (3C2, 3C5) | 2.0 TFSI (AXX, BPY, BWA) | 200 hp | 2005–2010 |
| POLO IV (9N_, 9A_) | 1.8 T 20V (BBU, BJX) | 150–180 hp | 2005–2009 |
| POLO V (6R1, 6C1) | 2.0 TFSI (CDLJ) | 220 hp | 2013–2014 |
| QUANTUM Variant | 2.0 8V (ABA) | 111 hp | 1990–2005 |
| SCIROCCO (53B) | 1.8 16V (KR, PL) | 125–139 hp | 1985–1992 |
| SCIROCCO (53B) | 1.8 8V (DX, JH) | 95–112 hp | 1982–1992 |
| SCIROCCO III (137, 138) | 2.0 TFSI (CDLA, CDLC) | 256–265 hp | 2009–2017 |
| SHARAN (7M8, 7M9, 7M6) | 2.0 16V (ABF) | 150 hp | 1995–2000 |
| SHARAN (7M8, 7M9, 7M6, 7M_) | 2.0 8V (ADY) | 115–116 hp | 1995–2010 |
| VENTO (1H2) | 2.0 8V (2E, ABA, ADY, AGG) | 115 hp | 1991–1998 |
Also compatible with engine code CDZA (2.0 TFSI EA113).
