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1.3mm Thickness Multi-Layer Steel (MLS) Cylinder Head Gasket for Toyota 15B 4.1L Diesel Engine

1.3mm Thickness Multi-Layer Steel (MLS) Cylinder Head Gasket for Toyota 15B 4.1L Diesel Engine

MOQ: 10 adet
fiyat: negotiable
Standart ambalaj: Nötr Paket veya müşterilerin isteği olarak
teslim süresi: 5-8 İş Günü
Ödeme yöntemi: T/T, Western Union
Tedarik kapasitesi: 10000 adet/ay
Detay Bilgi
Menşe yeri
Çin
Marka adı
YIMI
Sertifika
ISO/TS16949
Model numarası
Toyota 15B 4.1L Dizel Dyna Altlığı
OEM Parça Numarası:
11115-58140
Motor Uyumluluğu:
Toyota 15B, 15B-F, 15B-FT, 15B-FTE (4,1L / 4,104 cc sıralı 4 dizel)
Delik Çapı:
108,0 mm
Conta çapı:
109.5 mm
Sıkıştırılmış Kalınlık:
1,3 mm
Conta Genişliği:
197 mm
Conta Uzunluğu:
503mm
Conta Tipi:
Çok Katmanlı Çelik (MLS)
Vurgulamak:

1.3mm MLS cylinder head gasket

,

Toyota 15B diesel engine gasket

,

4.1L multi-layer steel head gasket

Ürün Tanımı
Cylinder Head Gasket 11115-58140 For Toyota 15B 4.1L Diesel Dyna Coaster
Product Overview

The cylinder head gasket carrying Toyota OEM number 11115-58140 (also 1111558140) seals the critical interface between the cylinder head and engine block on Toyota's high-durability 15B series 4.1L inline-four diesel engine. This is the 1.3mm thickness grade in Toyota's multi-thickness system for the 15B engine family, required when piston protrusion measurements call for this medium thickness.

Toyota 15B Cylinder Head Gasket 11115-58140
Part Number: 11115-58140
Product Name: Cylinder Head Gasket
Car Model: Toyota Dyna Coaster
Engine Model: Toyota 15B 4.1L Diesel
Condition: 100% Brand New
Origin: China Mainland
Main Market: Middle East, Asia, Africa, South America, North America & Europe
Quality Standard: OEM equivalent / ISO quality control
Thickness Grades - 15B Diesel Family

The Toyota 15B diesel engine uses three different head gasket thickness grades depending on piston protrusion measurement - the distance each piston rises above the cylinder block deck at Top Dead Center (TDC). The correct thickness is determined by the highest protrusion measurement across all four cylinders.

OE Number Thickness Notes
11115-58130 1.20 mm Thinnest - for lowest piston protrusion
11115-58140 1.30 mm Medium thickness - this product
11115-58150 1.40 mm Thickest - for highest piston protrusion

Additionally, Toyota also offers the 1.3 mm grade with the suffix "-41" as 11115-58141, which is interchangeable and cross-referenced with this gasket.

Important: Selecting the incorrect thickness will alter the compression height, affecting compression ratio and potentially leading to compression loss or reduced engine performance. For the 15B family, the 14B head gasket (108 mm bore) is not interchangeable - the 15B gasket has different coolant passage holes and a 108 mm piston diameter (versus 102 mm for the 14B). Always confirm your engine code before ordering.
Applications

This Toyota 15B cylinder head gasket 11115-58140 directly replaces the factory sealing component in the following configurations:

Coaster Bus (B40 / B50 Series)
Chassis Model Years Engine Variant
B40 / B50 Toyota Coaster 1995-2006 15B-FT (4.1 TD)
Dyna / ToyoAce Commercial Chassis
Chassis Model Years Engine Variant
BU212, BU102, BU112, BU142, BU222 Toyota Dyna 200 (Platform/Chassis) 1995-2003 15B-F / 15B-FT
BU62-BU96 (various) Toyota Dyna / ToyoAce 1995-2005 15B-FTE
Mega Cruiser Off-Road Vehicle
Chassis Model Years Engine Variant
BXD20 Toyota Mega Cruiser (4WD) 1999-2001 15B-FT

Additional vehicle configurations: Forklift, excavator, and industrial equipment applications powered by the 15B engine.

Features & Benefits
  • Multi-Layer Steel (MLS) Construction: Manufactured from multiple precision-stamped embossed layers of stainless steel with elastomer coating for heavy-duty diesel durability
  • 1.3 mm Thickness: Medium option in the 15B family, identified by OE number 11115-58140
  • Precision 109.5 mm Gasket Bore: Designed specifically for 15B's 108 mm cylinder bore
  • OE-Grade Replacement: Exact Toyota part number for 15B-FT engines in Dyna, Coaster, and Mega Cruiser vehicles
  • Extended Cross-Reference Coverage: Compatible with GLASER H84803-10, AJUSA 101481, and ELRING equivalents
  • Proven Performance: Reliably seals high-compression 15B diesel cycles (17.8-18.4:1 compression ratio)
  • Quality Certified: Manufactured under IATF 16949 and ISO 9001 certified quality management systems
Quality Control & Verification
QC Item Verification Method
Fire ring bore alignment Laser measurement - 109.5 mm ±0.05 mm tolerance
Gasket thickness (compressed) Digital micrometer - verified against 1.30 mm ±0.02 mm specification
Layer registration Optical inspection - all MLS layers align within 0.2 mm
Fire ring material Spectrographic analysis - stainless steel grade confirmed
Elastomer coating integrity Visual and adhesion test - no voids, cracks, or missing coating
Full dimensional inspection CMM measurement - verified against 15B OE blueprint
Anti-corrosion treatment VCI (Vapor Corrosion Inhibitor) sealed bag
Installation & Maintenance Recommendations
⚠️ IMPORTANT: The 15B engine uses torque-to-yield (stretch) cylinder head bolts. These are single-use fasteners and must be replaced with new units whenever the cylinder head is removed. Reusing old bolts risks uneven clamping, head gasket failure, and cylinder head warping.

Why thickness selection matters: The 15B is a high-compression diesel engine (17.8-18.4:1). The correct head gasket thickness is determined by piston protrusion - the distance each piston rises above the cylinder block deck at Top Dead Center (TDC).

Recommended Replacement Indicators
Symptom Diagnosis
Gradual coolant loss with no visible external leak Coolant escaping past fire ring into combustion chamber
White or grey steam from exhaust that continues after engine is warm Coolant burning in combustion chamber - head gasket breach
Bubbles in coolant overflow bottle with engine running Combustion gases entering cooling system
Pressure in cooling system - hoses remain hard even when cold Combustion gases pressurising cooling system
Milky oil residue under filler cap or on dipstick Coolant mixed with engine oil - internal gasket failure
Engine overheating without clear cause Combustion gases interfering with coolant flow
Procedural Notes
  • Select correct gasket thickness based on piston protrusion measurement
  • Always replace cylinder head bolts with new genuine-spec bolts
  • Check cylinder head and block surfaces for warpage using precision straight edge
  • Install the gasket dry - no additional sealants required
  • Replace timing components as applicable when front cover is removed
  • Flush the cooling system and fill with fresh coolant
  • Consider professional installation - requires specialized tools and 8-10 hours labor
Maintenance Schedule
Service Item Interval
Replace engine coolant Every 4-5 years or 80,000-100,000 km
Check for coolant loss and pressurised hoses Monthly
Address any overheating event Immediately
Inspect valve clearances Every 50,000 km
Packaging & Supply
  • Individual packaging: Sealed in anti-static VCI bag, foam-lined carton
  • Carton dimensions: Approximately 52 × 21 × 2 cm
  • Net weight: Approximately 0.35-0.45 kg
  • Master carton: 50 units per export carton
  • Lead time: 3-7 working days for stock orders
  • Minimum order quantity: 1 piece (sample available)
  • Shipping methods: FedEx, UPS, DHL for samples; sea freight for bulk
  • H/S Code: 8484.10
Note: For workshops performing full top-end service, matching 15B cylinder head bolts, valve stem seal sets, rocker cover gaskets, and full overhaul gasket sets are also available.
Ürünler
Ürün ayrıntıları
1.3mm Thickness Multi-Layer Steel (MLS) Cylinder Head Gasket for Toyota 15B 4.1L Diesel Engine
MOQ: 10 adet
fiyat: negotiable
Standart ambalaj: Nötr Paket veya müşterilerin isteği olarak
teslim süresi: 5-8 İş Günü
Ödeme yöntemi: T/T, Western Union
Tedarik kapasitesi: 10000 adet/ay
Detay Bilgi
Menşe yeri
Çin
Marka adı
YIMI
Sertifika
ISO/TS16949
Model numarası
Toyota 15B 4.1L Dizel Dyna Altlığı
OEM Parça Numarası:
11115-58140
Motor Uyumluluğu:
Toyota 15B, 15B-F, 15B-FT, 15B-FTE (4,1L / 4,104 cc sıralı 4 dizel)
Delik Çapı:
108,0 mm
Conta çapı:
109.5 mm
Sıkıştırılmış Kalınlık:
1,3 mm
Conta Genişliği:
197 mm
Conta Uzunluğu:
503mm
Conta Tipi:
Çok Katmanlı Çelik (MLS)
Min sipariş miktarı:
10 adet
Fiyat:
negotiable
Ambalaj bilgileri:
Nötr Paket veya müşterilerin isteği olarak
Teslim süresi:
5-8 İş Günü
Ödeme koşulları:
T/T, Western Union
Yetenek temini:
10000 adet/ay
Vurgulamak

1.3mm MLS cylinder head gasket

,

Toyota 15B diesel engine gasket

,

4.1L multi-layer steel head gasket

Ürün Tanımı
Cylinder Head Gasket 11115-58140 For Toyota 15B 4.1L Diesel Dyna Coaster
Product Overview

The cylinder head gasket carrying Toyota OEM number 11115-58140 (also 1111558140) seals the critical interface between the cylinder head and engine block on Toyota's high-durability 15B series 4.1L inline-four diesel engine. This is the 1.3mm thickness grade in Toyota's multi-thickness system for the 15B engine family, required when piston protrusion measurements call for this medium thickness.

Toyota 15B Cylinder Head Gasket 11115-58140
Part Number: 11115-58140
Product Name: Cylinder Head Gasket
Car Model: Toyota Dyna Coaster
Engine Model: Toyota 15B 4.1L Diesel
Condition: 100% Brand New
Origin: China Mainland
Main Market: Middle East, Asia, Africa, South America, North America & Europe
Quality Standard: OEM equivalent / ISO quality control
Thickness Grades - 15B Diesel Family

The Toyota 15B diesel engine uses three different head gasket thickness grades depending on piston protrusion measurement - the distance each piston rises above the cylinder block deck at Top Dead Center (TDC). The correct thickness is determined by the highest protrusion measurement across all four cylinders.

OE Number Thickness Notes
11115-58130 1.20 mm Thinnest - for lowest piston protrusion
11115-58140 1.30 mm Medium thickness - this product
11115-58150 1.40 mm Thickest - for highest piston protrusion

Additionally, Toyota also offers the 1.3 mm grade with the suffix "-41" as 11115-58141, which is interchangeable and cross-referenced with this gasket.

Important: Selecting the incorrect thickness will alter the compression height, affecting compression ratio and potentially leading to compression loss or reduced engine performance. For the 15B family, the 14B head gasket (108 mm bore) is not interchangeable - the 15B gasket has different coolant passage holes and a 108 mm piston diameter (versus 102 mm for the 14B). Always confirm your engine code before ordering.
Applications

This Toyota 15B cylinder head gasket 11115-58140 directly replaces the factory sealing component in the following configurations:

Coaster Bus (B40 / B50 Series)
Chassis Model Years Engine Variant
B40 / B50 Toyota Coaster 1995-2006 15B-FT (4.1 TD)
Dyna / ToyoAce Commercial Chassis
Chassis Model Years Engine Variant
BU212, BU102, BU112, BU142, BU222 Toyota Dyna 200 (Platform/Chassis) 1995-2003 15B-F / 15B-FT
BU62-BU96 (various) Toyota Dyna / ToyoAce 1995-2005 15B-FTE
Mega Cruiser Off-Road Vehicle
Chassis Model Years Engine Variant
BXD20 Toyota Mega Cruiser (4WD) 1999-2001 15B-FT

Additional vehicle configurations: Forklift, excavator, and industrial equipment applications powered by the 15B engine.

Features & Benefits
  • Multi-Layer Steel (MLS) Construction: Manufactured from multiple precision-stamped embossed layers of stainless steel with elastomer coating for heavy-duty diesel durability
  • 1.3 mm Thickness: Medium option in the 15B family, identified by OE number 11115-58140
  • Precision 109.5 mm Gasket Bore: Designed specifically for 15B's 108 mm cylinder bore
  • OE-Grade Replacement: Exact Toyota part number for 15B-FT engines in Dyna, Coaster, and Mega Cruiser vehicles
  • Extended Cross-Reference Coverage: Compatible with GLASER H84803-10, AJUSA 101481, and ELRING equivalents
  • Proven Performance: Reliably seals high-compression 15B diesel cycles (17.8-18.4:1 compression ratio)
  • Quality Certified: Manufactured under IATF 16949 and ISO 9001 certified quality management systems
Quality Control & Verification
QC Item Verification Method
Fire ring bore alignment Laser measurement - 109.5 mm ±0.05 mm tolerance
Gasket thickness (compressed) Digital micrometer - verified against 1.30 mm ±0.02 mm specification
Layer registration Optical inspection - all MLS layers align within 0.2 mm
Fire ring material Spectrographic analysis - stainless steel grade confirmed
Elastomer coating integrity Visual and adhesion test - no voids, cracks, or missing coating
Full dimensional inspection CMM measurement - verified against 15B OE blueprint
Anti-corrosion treatment VCI (Vapor Corrosion Inhibitor) sealed bag
Installation & Maintenance Recommendations
⚠️ IMPORTANT: The 15B engine uses torque-to-yield (stretch) cylinder head bolts. These are single-use fasteners and must be replaced with new units whenever the cylinder head is removed. Reusing old bolts risks uneven clamping, head gasket failure, and cylinder head warping.

Why thickness selection matters: The 15B is a high-compression diesel engine (17.8-18.4:1). The correct head gasket thickness is determined by piston protrusion - the distance each piston rises above the cylinder block deck at Top Dead Center (TDC).

Recommended Replacement Indicators
Symptom Diagnosis
Gradual coolant loss with no visible external leak Coolant escaping past fire ring into combustion chamber
White or grey steam from exhaust that continues after engine is warm Coolant burning in combustion chamber - head gasket breach
Bubbles in coolant overflow bottle with engine running Combustion gases entering cooling system
Pressure in cooling system - hoses remain hard even when cold Combustion gases pressurising cooling system
Milky oil residue under filler cap or on dipstick Coolant mixed with engine oil - internal gasket failure
Engine overheating without clear cause Combustion gases interfering with coolant flow
Procedural Notes
  • Select correct gasket thickness based on piston protrusion measurement
  • Always replace cylinder head bolts with new genuine-spec bolts
  • Check cylinder head and block surfaces for warpage using precision straight edge
  • Install the gasket dry - no additional sealants required
  • Replace timing components as applicable when front cover is removed
  • Flush the cooling system and fill with fresh coolant
  • Consider professional installation - requires specialized tools and 8-10 hours labor
Maintenance Schedule
Service Item Interval
Replace engine coolant Every 4-5 years or 80,000-100,000 km
Check for coolant loss and pressurised hoses Monthly
Address any overheating event Immediately
Inspect valve clearances Every 50,000 km
Packaging & Supply
  • Individual packaging: Sealed in anti-static VCI bag, foam-lined carton
  • Carton dimensions: Approximately 52 × 21 × 2 cm
  • Net weight: Approximately 0.35-0.45 kg
  • Master carton: 50 units per export carton
  • Lead time: 3-7 working days for stock orders
  • Minimum order quantity: 1 piece (sample available)
  • Shipping methods: FedEx, UPS, DHL for samples; sea freight for bulk
  • H/S Code: 8484.10
Note: For workshops performing full top-end service, matching 15B cylinder head bolts, valve stem seal sets, rocker cover gaskets, and full overhaul gasket sets are also available.
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